1919 lines
66 KiB
C
1919 lines
66 KiB
C
// dvx_app.c — Layer 5: Application API for DV/X GUI
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#include "dvxApp.h"
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#include "dvxWidget.h"
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#include "widgets/widgetInternal.h"
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#include "dvxFont.h"
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#include "dvxCursor.h"
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#include <string.h>
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#include <ctype.h>
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#include <time.h>
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#include <dpmi.h>
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#define DBLCLICK_THRESHOLD (CLOCKS_PER_SEC / 2)
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#define ICON_REFRESH_INTERVAL 8
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#define KB_MOVE_STEP 8
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// ============================================================
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// Prototypes
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// ============================================================
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static void closeSysMenu(AppContextT *ctx);
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static void compositeAndFlush(AppContextT *ctx);
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static void dirtyCursorArea(AppContextT *ctx, int32_t x, int32_t y);
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static bool dispatchAccelKey(AppContextT *ctx, char key);
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static void dispatchEvents(AppContextT *ctx);
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static void drawCursorAt(AppContextT *ctx, int32_t x, int32_t y);
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static void executeSysMenuCmd(AppContextT *ctx, int32_t cmd);
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static WindowT *findWindowById(AppContextT *ctx, int32_t id);
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static void handleMouseButton(AppContextT *ctx, int32_t mx, int32_t my, int32_t buttons);
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static void initColorScheme(AppContextT *ctx);
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static void initMouse(AppContextT *ctx);
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static void openSysMenu(AppContextT *ctx, WindowT *win);
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static void pollAnsiTermWidgets(AppContextT *ctx);
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static void pollAnsiTermWidgetsWalk(AppContextT *ctx, WidgetT *w, WindowT *win);
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static void pollKeyboard(AppContextT *ctx);
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static void pollMouse(AppContextT *ctx);
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static void refreshMinimizedIcons(AppContextT *ctx);
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static void updateCursorShape(AppContextT *ctx);
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// Button pressed via accelerator key — separate from sPressedButton (mouse)
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static WidgetT *sAccelPressedBtn = NULL;
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// Alt+key scan code to ASCII lookup table (indexed by scan code)
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// BIOS INT 16h returns these scan codes with ascii=0 for Alt+key combos
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static const char sAltScanToAscii[256] = {
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// Alt+letters
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[0x10] = 'q', [0x11] = 'w', [0x12] = 'e', [0x13] = 'r',
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[0x14] = 't', [0x15] = 'y', [0x16] = 'u', [0x17] = 'i',
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[0x18] = 'o', [0x19] = 'p', [0x1E] = 'a', [0x1F] = 's',
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[0x20] = 'd', [0x21] = 'f', [0x22] = 'g', [0x23] = 'h',
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[0x24] = 'j', [0x25] = 'k', [0x26] = 'l', [0x2C] = 'z',
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[0x2D] = 'x', [0x2E] = 'c', [0x2F] = 'v', [0x30] = 'b',
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[0x31] = 'n', [0x32] = 'm',
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// Alt+digits
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[0x78] = '1', [0x79] = '2', [0x7A] = '3', [0x7B] = '4',
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[0x7C] = '5', [0x7D] = '6', [0x7E] = '7', [0x7F] = '8',
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[0x80] = '9', [0x81] = '0',
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};
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// ============================================================
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// closeSysMenu
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// ============================================================
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static void closeSysMenu(AppContextT *ctx) {
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if (ctx->sysMenu.active) {
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dirtyListAdd(&ctx->dirty, ctx->sysMenu.popupX, ctx->sysMenu.popupY,
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ctx->sysMenu.popupW, ctx->sysMenu.popupH);
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ctx->sysMenu.active = false;
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}
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}
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// ============================================================
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// compositeAndFlush
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// ============================================================
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static void compositeAndFlush(AppContextT *ctx) {
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DisplayT *d = &ctx->display;
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BlitOpsT *ops = &ctx->blitOps;
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DirtyListT *dl = &ctx->dirty;
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WindowStackT *ws = &ctx->stack;
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dirtyListMerge(dl);
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for (int32_t i = 0; i < dl->count; i++) {
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RectT *dr = &dl->rects[i];
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// Clip dirty rect to screen bounds
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if (dr->x < 0) { dr->w += dr->x; dr->x = 0; }
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if (dr->y < 0) { dr->h += dr->y; dr->y = 0; }
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if (dr->x + dr->w > d->width) { dr->w = d->width - dr->x; }
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if (dr->y + dr->h > d->height) { dr->h = d->height - dr->y; }
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if (dr->w <= 0 || dr->h <= 0) { continue; }
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// Set clip rect to this dirty rect
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setClipRect(d, dr->x, dr->y, dr->w, dr->h);
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// 1. Draw desktop background
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rectFill(d, ops, dr->x, dr->y, dr->w, dr->h, ctx->colors.desktop);
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// 2. Draw minimized window icons (under all windows)
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wmDrawMinimizedIcons(d, ops, &ctx->colors, ws, dr);
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// 3. Walk window stack bottom-to-top
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for (int32_t j = 0; j < ws->count; j++) {
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WindowT *win = ws->windows[j];
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if (!win->visible || win->minimized) {
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continue;
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}
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// Check if window intersects this dirty rect
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RectT winRect = {win->x, win->y, win->w, win->h};
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RectT isect;
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if (!rectIntersect(dr, &winRect, &isect)) {
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continue;
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}
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wmDrawChrome(d, ops, &ctx->font, &ctx->colors, win, dr);
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wmDrawContent(d, ops, win, dr);
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if (win->vScroll || win->hScroll) {
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wmDrawScrollbars(d, ops, &ctx->colors, win, dr);
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}
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}
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// 4. Draw popup menu if active
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if (ctx->popup.active) {
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// Draw popup dropdown
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RectT popRect = {
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ctx->popup.popupX, ctx->popup.popupY,
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ctx->popup.popupW, ctx->popup.popupH
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};
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RectT popIsect;
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if (rectIntersect(dr, &popRect, &popIsect)) {
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setClipRect(d, dr->x, dr->y, dr->w, dr->h);
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// Find the window and menu
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for (int32_t j = 0; j < ws->count; j++) {
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if (ws->windows[j]->id == ctx->popup.windowId) {
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WindowT *win = ws->windows[j];
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MenuBarT *bar = win->menuBar;
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if (bar && ctx->popup.menuIdx < bar->menuCount) {
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MenuT *menu = &bar->menus[ctx->popup.menuIdx];
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// Draw popup background
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BevelStyleT popBevel;
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popBevel.highlight = ctx->colors.windowHighlight;
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popBevel.shadow = ctx->colors.windowShadow;
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popBevel.face = ctx->colors.menuBg;
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popBevel.width = 2;
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drawBevel(d, ops, ctx->popup.popupX, ctx->popup.popupY,
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ctx->popup.popupW, ctx->popup.popupH, &popBevel);
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// Draw menu items
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int32_t itemY = ctx->popup.popupY + 2;
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for (int32_t k = 0; k < menu->itemCount; k++) {
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MenuItemT *item = &menu->items[k];
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if (item->separator) {
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drawHLine(d, ops, ctx->popup.popupX + 2,
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itemY + ctx->font.charHeight / 2,
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ctx->popup.popupW - 4,
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ctx->colors.windowShadow);
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itemY += ctx->font.charHeight;
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continue;
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}
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uint32_t bg = ctx->colors.menuBg;
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uint32_t fg = ctx->colors.menuFg;
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if (k == ctx->popup.hoverItem) {
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bg = ctx->colors.menuHighlightBg;
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fg = ctx->colors.menuHighlightFg;
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}
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rectFill(d, ops, ctx->popup.popupX + 2, itemY,
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ctx->popup.popupW - 4, ctx->font.charHeight, bg);
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drawTextAccel(d, ops, &ctx->font,
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ctx->popup.popupX + CHROME_TITLE_PAD + 2, itemY,
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item->label, fg, bg, true);
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itemY += ctx->font.charHeight;
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}
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}
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break;
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}
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}
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}
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}
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// 4b. Draw system menu if active
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if (ctx->sysMenu.active) {
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RectT smRect = { ctx->sysMenu.popupX, ctx->sysMenu.popupY, ctx->sysMenu.popupW, ctx->sysMenu.popupH };
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RectT smIsect;
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if (rectIntersect(dr, &smRect, &smIsect)) {
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setClipRect(d, dr->x, dr->y, dr->w, dr->h);
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BevelStyleT smBevel;
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smBevel.highlight = ctx->colors.windowHighlight;
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smBevel.shadow = ctx->colors.windowShadow;
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smBevel.face = ctx->colors.menuBg;
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smBevel.width = 2;
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drawBevel(d, ops, ctx->sysMenu.popupX, ctx->sysMenu.popupY, ctx->sysMenu.popupW, ctx->sysMenu.popupH, &smBevel);
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int32_t itemY = ctx->sysMenu.popupY + 2;
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for (int32_t k = 0; k < ctx->sysMenu.itemCount; k++) {
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SysMenuItemT *item = &ctx->sysMenu.items[k];
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if (item->separator) {
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drawHLine(d, ops, ctx->sysMenu.popupX + 2, itemY + ctx->font.charHeight / 2, ctx->sysMenu.popupW - 4, ctx->colors.windowShadow);
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itemY += ctx->font.charHeight;
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continue;
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}
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uint32_t bg = ctx->colors.menuBg;
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uint32_t fg = item->enabled ? ctx->colors.menuFg : ctx->colors.windowShadow;
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if (k == ctx->sysMenu.hoverItem && item->enabled) {
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bg = ctx->colors.menuHighlightBg;
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fg = ctx->colors.menuHighlightFg;
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}
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rectFill(d, ops, ctx->sysMenu.popupX + 2, itemY, ctx->sysMenu.popupW - 4, ctx->font.charHeight, bg);
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drawTextAccel(d, ops, &ctx->font, ctx->sysMenu.popupX + CHROME_TITLE_PAD + 2, itemY, item->label, fg, bg, true);
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itemY += ctx->font.charHeight;
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}
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}
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}
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// 5. Draw cursor
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drawCursorAt(ctx, ctx->mouseX, ctx->mouseY);
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// 6. Flush this dirty rect to LFB
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flushRect(d, dr);
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}
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resetClipRect(d);
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dirtyListClear(dl);
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}
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// ============================================================
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// dirtyCursorArea
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// ============================================================
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static void dirtyCursorArea(AppContextT *ctx, int32_t x, int32_t y) {
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// Dirty the union of all cursor shapes at this position to handle shape changes
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// All cursors are 16x16 with hotspot at either (0,0) or (7,7), so worst case
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// covers from (x-7, y-7) to (x+15, y+15) = 23x23 area
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dirtyListAdd(&ctx->dirty, x - 7, y - 7, 23, 23);
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}
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// ============================================================
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// dispatchAccelKey — route Alt+key to menu or widget
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// ============================================================
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static bool dispatchAccelKey(AppContextT *ctx, char key) {
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if (ctx->stack.focusedIdx < 0) {
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return false;
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}
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WindowT *win = ctx->stack.windows[ctx->stack.focusedIdx];
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// Check menu bar first
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if (win->menuBar) {
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for (int32_t i = 0; i < win->menuBar->menuCount; i++) {
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MenuT *menu = &win->menuBar->menus[i];
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if (menu->accelKey == key) {
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// Close existing popup first
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if (ctx->popup.active) {
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dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY,
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ctx->popup.popupW, ctx->popup.popupH);
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}
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// Open this menu's popup
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ctx->popup.active = true;
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ctx->popup.windowId = win->id;
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ctx->popup.menuIdx = i;
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ctx->popup.popupX = win->x + menu->barX;
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ctx->popup.popupY = win->y + CHROME_BORDER_WIDTH + CHROME_TITLE_HEIGHT + CHROME_MENU_HEIGHT;
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ctx->popup.hoverItem = -1;
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// Calculate popup size
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int32_t maxW = 0;
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for (int32_t k = 0; k < menu->itemCount; k++) {
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int32_t itemW = textWidthAccel(&ctx->font, menu->items[k].label);
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if (itemW > maxW) {
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maxW = itemW;
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}
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}
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ctx->popup.popupW = maxW + CHROME_TITLE_PAD * 2 + 8;
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ctx->popup.popupH = menu->itemCount * ctx->font.charHeight + 4;
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dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY,
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ctx->popup.popupW, ctx->popup.popupH);
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return true;
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}
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}
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}
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// Check widget tree
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if (win->widgetRoot) {
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WidgetT *target = widgetFindByAccel(win->widgetRoot, key);
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if (target) {
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switch (target->type) {
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case WidgetButtonE:
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target->as.button.pressed = true;
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sAccelPressedBtn = target;
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wgtInvalidate(target);
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return true;
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case WidgetCheckboxE:
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widgetCheckboxOnMouse(target);
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wgtInvalidate(target);
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return true;
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case WidgetRadioE:
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widgetRadioOnMouse(target);
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wgtInvalidate(target);
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return true;
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case WidgetImageButtonE:
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if (target->onClick) {
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target->onClick(target);
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}
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wgtInvalidate(target);
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return true;
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case WidgetTabPageE:
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{
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// Close any open dropdown/combobox popup
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if (sOpenPopup) {
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if (sOpenPopup->type == WidgetDropdownE) {
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sOpenPopup->as.dropdown.open = false;
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} else if (sOpenPopup->type == WidgetComboBoxE) {
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sOpenPopup->as.comboBox.open = false;
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}
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sOpenPopup = NULL;
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}
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// Activate this tab in its parent TabControl
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if (target->parent && target->parent->type == WidgetTabControlE) {
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int32_t tabIdx = 0;
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for (WidgetT *c = target->parent->firstChild; c; c = c->nextSibling) {
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if (c == target) {
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wgtTabControlSetActive(target->parent, tabIdx);
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wgtInvalidate(win->widgetRoot);
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break;
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}
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if (c->type == WidgetTabPageE) {
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tabIdx++;
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}
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}
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}
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return true;
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}
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case WidgetDropdownE:
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target->as.dropdown.open = true;
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target->as.dropdown.hoverIdx = target->as.dropdown.selectedIdx;
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sOpenPopup = target;
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widgetClearFocus(win->widgetRoot);
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target->focused = true;
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wgtInvalidate(win->widgetRoot);
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return true;
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case WidgetComboBoxE:
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target->as.comboBox.open = true;
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target->as.comboBox.hoverIdx = target->as.comboBox.selectedIdx;
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sOpenPopup = target;
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widgetClearFocus(win->widgetRoot);
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target->focused = true;
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wgtInvalidate(win->widgetRoot);
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return true;
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case WidgetLabelE:
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case WidgetFrameE:
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{
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// Focus the next focusable widget
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WidgetT *next = widgetFindNextFocusable(win->widgetRoot, target);
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if (next) {
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widgetClearFocus(win->widgetRoot);
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next->focused = true;
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// Open dropdown/combobox if that's the focused target
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if (next->type == WidgetDropdownE) {
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next->as.dropdown.open = true;
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next->as.dropdown.hoverIdx = next->as.dropdown.selectedIdx;
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sOpenPopup = next;
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} else if (next->type == WidgetComboBoxE) {
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next->as.comboBox.open = true;
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next->as.comboBox.hoverIdx = next->as.comboBox.selectedIdx;
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sOpenPopup = next;
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}
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wgtInvalidate(win->widgetRoot);
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}
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return true;
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}
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default:
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// For focusable widgets, just focus them
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if (widgetIsFocusable(target->type)) {
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widgetClearFocus(win->widgetRoot);
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target->focused = true;
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wgtInvalidate(win->widgetRoot);
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return true;
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}
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break;
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}
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}
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}
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return false;
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}
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// ============================================================
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// dispatchEvents
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// ============================================================
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static void dispatchEvents(AppContextT *ctx) {
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int32_t mx = ctx->mouseX;
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int32_t my = ctx->mouseY;
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int32_t buttons = ctx->mouseButtons;
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int32_t prevBtn = ctx->prevMouseButtons;
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// Mouse movement always dirties old and new cursor positions
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if (mx != ctx->prevMouseX || my != ctx->prevMouseY) {
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dirtyCursorArea(ctx, ctx->prevMouseX, ctx->prevMouseY);
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dirtyCursorArea(ctx, mx, my);
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}
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// Update cursor shape based on what the mouse is hovering over
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updateCursorShape(ctx);
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// Handle active drag
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if (ctx->stack.dragWindow >= 0) {
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if (buttons & 1) {
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wmDragMove(&ctx->stack, &ctx->dirty, mx, my);
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} else {
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wmDragEnd(&ctx->stack);
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}
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return;
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}
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// Handle active resize
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if (ctx->stack.resizeWindow >= 0) {
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if (buttons & 1) {
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wmResizeMove(&ctx->stack, &ctx->dirty, &ctx->display, mx, my);
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} else {
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wmResizeEnd(&ctx->stack);
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}
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return;
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}
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// Handle active scrollbar thumb drag
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if (ctx->stack.scrollWindow >= 0) {
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if (buttons & 1) {
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wmScrollbarDrag(&ctx->stack, &ctx->dirty, mx, my);
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} else {
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wmScrollbarEnd(&ctx->stack);
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}
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return;
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}
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// Handle system menu interaction
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if (ctx->sysMenu.active) {
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if (mx >= ctx->sysMenu.popupX && mx < ctx->sysMenu.popupX + ctx->sysMenu.popupW &&
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my >= ctx->sysMenu.popupY && my < ctx->sysMenu.popupY + ctx->sysMenu.popupH) {
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// Hover tracking
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int32_t relY = my - ctx->sysMenu.popupY - 2;
|
|
int32_t itemIdx = relY / ctx->font.charHeight;
|
|
|
|
if (itemIdx >= 0 && itemIdx < ctx->sysMenu.itemCount && ctx->sysMenu.items[itemIdx].separator) {
|
|
itemIdx = -1;
|
|
}
|
|
|
|
if (itemIdx != ctx->sysMenu.hoverItem) {
|
|
ctx->sysMenu.hoverItem = itemIdx;
|
|
dirtyListAdd(&ctx->dirty, ctx->sysMenu.popupX, ctx->sysMenu.popupY, ctx->sysMenu.popupW, ctx->sysMenu.popupH);
|
|
}
|
|
|
|
// Click on item
|
|
if ((buttons & 1) && !(prevBtn & 1)) {
|
|
if (itemIdx >= 0 && itemIdx < ctx->sysMenu.itemCount) {
|
|
SysMenuItemT *item = &ctx->sysMenu.items[itemIdx];
|
|
|
|
if (item->enabled && !item->separator) {
|
|
executeSysMenuCmd(ctx, item->cmd);
|
|
}
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
// Click outside system menu — close it, let event fall through
|
|
if ((buttons & 1) && !(prevBtn & 1)) {
|
|
closeSysMenu(ctx);
|
|
}
|
|
}
|
|
|
|
// Handle popup menu interaction
|
|
if (ctx->popup.active) {
|
|
// Check if mouse is inside popup
|
|
if (mx >= ctx->popup.popupX && mx < ctx->popup.popupX + ctx->popup.popupW &&
|
|
my >= ctx->popup.popupY && my < ctx->popup.popupY + ctx->popup.popupH) {
|
|
|
|
// Find which item is hovered
|
|
int32_t relY = my - ctx->popup.popupY - 2;
|
|
int32_t itemIdx = relY / ctx->font.charHeight;
|
|
|
|
if (itemIdx != ctx->popup.hoverItem) {
|
|
ctx->popup.hoverItem = itemIdx;
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY,
|
|
ctx->popup.popupW, ctx->popup.popupH);
|
|
}
|
|
|
|
// Click on item
|
|
if ((buttons & 1) && !(prevBtn & 1)) {
|
|
// Find the window and menu
|
|
for (int32_t j = 0; j < ctx->stack.count; j++) {
|
|
if (ctx->stack.windows[j]->id == ctx->popup.windowId) {
|
|
WindowT *win = ctx->stack.windows[j];
|
|
MenuBarT *bar = win->menuBar;
|
|
|
|
if (bar && ctx->popup.menuIdx < bar->menuCount) {
|
|
MenuT *menu = &bar->menus[ctx->popup.menuIdx];
|
|
|
|
if (itemIdx >= 0 && itemIdx < menu->itemCount) {
|
|
MenuItemT *item = &menu->items[itemIdx];
|
|
|
|
if (item->enabled && !item->separator && win->onMenu) {
|
|
win->onMenu(win, item->id);
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Close popup
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY,
|
|
ctx->popup.popupW, ctx->popup.popupH);
|
|
ctx->popup.active = false;
|
|
}
|
|
} else if ((buttons & 1) && !(prevBtn & 1)) {
|
|
// Click outside popup — close it
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY,
|
|
ctx->popup.popupW, ctx->popup.popupH);
|
|
ctx->popup.active = false;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
// Handle button press
|
|
if ((buttons & 1) && !(prevBtn & 1)) {
|
|
handleMouseButton(ctx, mx, my, buttons);
|
|
}
|
|
|
|
// Handle button release on content — send to focused window
|
|
if (!(buttons & 1) && (prevBtn & 1)) {
|
|
if (ctx->stack.focusedIdx >= 0) {
|
|
WindowT *win = ctx->stack.windows[ctx->stack.focusedIdx];
|
|
|
|
if (win->onMouse) {
|
|
int32_t relX = mx - win->x - win->contentX;
|
|
int32_t relY = my - win->y - win->contentY;
|
|
win->onMouse(win, relX, relY, buttons);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Mouse movement in content area — send to focused window
|
|
if ((mx != ctx->prevMouseX || my != ctx->prevMouseY) &&
|
|
ctx->stack.focusedIdx >= 0 && (buttons & 1)) {
|
|
WindowT *win = ctx->stack.windows[ctx->stack.focusedIdx];
|
|
|
|
if (win->onMouse) {
|
|
int32_t relX = mx - win->x - win->contentX;
|
|
int32_t relY = my - win->y - win->contentY;
|
|
win->onMouse(win, relX, relY, buttons);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// drawCursorAt
|
|
// ============================================================
|
|
|
|
static void drawCursorAt(AppContextT *ctx, int32_t x, int32_t y) {
|
|
const CursorT *cur = &ctx->cursors[ctx->cursorId];
|
|
|
|
drawMaskedBitmap(&ctx->display, &ctx->blitOps, x - cur->hotX, y - cur->hotY, cur->width, cur->height, cur->andMask, cur->xorData, ctx->cursorFg, ctx->cursorBg);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxCreateWindow
|
|
// ============================================================
|
|
|
|
WindowT *dvxCreateWindow(AppContextT *ctx, const char *title, int32_t x, int32_t y, int32_t w, int32_t h, bool resizable) {
|
|
WindowT *win = wmCreateWindow(&ctx->stack, &ctx->display, title, x, y, w, h, resizable);
|
|
|
|
if (win) {
|
|
// Raise and focus
|
|
int32_t idx = ctx->stack.count - 1;
|
|
wmSetFocus(&ctx->stack, &ctx->dirty, idx);
|
|
dirtyListAdd(&ctx->dirty, win->x, win->y, win->w, win->h);
|
|
}
|
|
|
|
return win;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxDestroyWindow
|
|
// ============================================================
|
|
|
|
void dvxDestroyWindow(AppContextT *ctx, WindowT *win) {
|
|
dirtyListAdd(&ctx->dirty, win->x, win->y, win->w, win->h);
|
|
wmDestroyWindow(&ctx->stack, win);
|
|
|
|
// Focus the new top window
|
|
if (ctx->stack.count > 0) {
|
|
wmSetFocus(&ctx->stack, &ctx->dirty, ctx->stack.count - 1);
|
|
}
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxFitWindow
|
|
// ============================================================
|
|
|
|
void dvxFitWindow(AppContextT *ctx, WindowT *win) {
|
|
if (!ctx || !win || !win->widgetRoot) {
|
|
return;
|
|
}
|
|
|
|
// Measure the widget tree to get minimum content size
|
|
widgetCalcMinSizeTree(win->widgetRoot, &ctx->font);
|
|
|
|
int32_t contentW = win->widgetRoot->calcMinW;
|
|
int32_t contentH = win->widgetRoot->calcMinH;
|
|
|
|
// Compute chrome overhead
|
|
int32_t topChrome = CHROME_TOTAL_TOP;
|
|
if (win->menuBar) {
|
|
topChrome += CHROME_MENU_HEIGHT;
|
|
}
|
|
|
|
int32_t newW = contentW + CHROME_TOTAL_SIDE * 2;
|
|
int32_t newH = contentH + topChrome + CHROME_TOTAL_BOTTOM;
|
|
|
|
// Dirty old position
|
|
dirtyListAdd(&ctx->dirty, win->x, win->y, win->w, win->h);
|
|
|
|
// Resize
|
|
win->w = newW;
|
|
win->h = newH;
|
|
wmUpdateContentRect(win);
|
|
wmReallocContentBuf(win, &ctx->display);
|
|
|
|
// Dirty new position
|
|
dirtyListAdd(&ctx->dirty, win->x, win->y, win->w, win->h);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxGetBlitOps
|
|
// ============================================================
|
|
|
|
const BlitOpsT *dvxGetBlitOps(const AppContextT *ctx) {
|
|
return &ctx->blitOps;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxGetColors
|
|
// ============================================================
|
|
|
|
const ColorSchemeT *dvxGetColors(const AppContextT *ctx) {
|
|
return &ctx->colors;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxGetDisplay
|
|
// ============================================================
|
|
|
|
DisplayT *dvxGetDisplay(AppContextT *ctx) {
|
|
return &ctx->display;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxGetFont
|
|
// ============================================================
|
|
|
|
const BitmapFontT *dvxGetFont(const AppContextT *ctx) {
|
|
return &ctx->font;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxInit
|
|
// ============================================================
|
|
|
|
int32_t dvxInit(AppContextT *ctx, int32_t requestedW, int32_t requestedH, int32_t preferredBpp) {
|
|
memset(ctx, 0, sizeof(*ctx));
|
|
|
|
// Initialize video
|
|
if (videoInit(&ctx->display, requestedW, requestedH, preferredBpp) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
// Initialize blit ops
|
|
drawInit(&ctx->blitOps, &ctx->display);
|
|
|
|
// Initialize window stack
|
|
wmInit(&ctx->stack);
|
|
|
|
// Initialize dirty list
|
|
dirtyListInit(&ctx->dirty);
|
|
|
|
// Set up font (use 8x16)
|
|
ctx->font = dvxFont8x16;
|
|
|
|
// Set up cursors
|
|
memcpy(ctx->cursors, dvxCursors, sizeof(dvxCursors));
|
|
ctx->cursorId = CURSOR_ARROW;
|
|
|
|
// Initialize colors
|
|
initColorScheme(ctx);
|
|
|
|
// Cache cursor colors
|
|
ctx->cursorFg = packColor(&ctx->display, 255, 255, 255);
|
|
ctx->cursorBg = packColor(&ctx->display, 0, 0, 0);
|
|
|
|
// Initialize mouse
|
|
initMouse(ctx);
|
|
|
|
ctx->running = true;
|
|
ctx->lastIconClickId = -1;
|
|
ctx->lastIconClickTime = 0;
|
|
ctx->lastCloseClickId = -1;
|
|
ctx->lastCloseClickTime = 0;
|
|
|
|
// Dirty the entire screen for first paint
|
|
dirtyListAdd(&ctx->dirty, 0, 0, ctx->display.width, ctx->display.height);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxInvalidateRect
|
|
// ============================================================
|
|
|
|
void dvxInvalidateRect(AppContextT *ctx, WindowT *win, int32_t x, int32_t y, int32_t w, int32_t h) {
|
|
// Convert from content-relative to screen coordinates
|
|
int32_t screenX = win->x + win->contentX + x;
|
|
int32_t screenY = win->y + win->contentY + y;
|
|
|
|
dirtyListAdd(&ctx->dirty, screenX, screenY, w, h);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxInvalidateWindow
|
|
// ============================================================
|
|
|
|
void dvxInvalidateWindow(AppContextT *ctx, WindowT *win) {
|
|
dirtyListAdd(&ctx->dirty, win->x, win->y, win->w, win->h);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxQuit
|
|
// ============================================================
|
|
|
|
void dvxQuit(AppContextT *ctx) {
|
|
ctx->running = false;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxRun
|
|
// ============================================================
|
|
|
|
void dvxRun(AppContextT *ctx) {
|
|
while (dvxUpdate(ctx)) {
|
|
// dvxUpdate returns false when the GUI wants to exit
|
|
}
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxUpdate
|
|
// ============================================================
|
|
|
|
bool dvxUpdate(AppContextT *ctx) {
|
|
if (!ctx->running) {
|
|
return false;
|
|
}
|
|
|
|
pollMouse(ctx);
|
|
pollKeyboard(ctx);
|
|
dispatchEvents(ctx);
|
|
pollAnsiTermWidgets(ctx);
|
|
|
|
// Periodically refresh one minimized window thumbnail (staggered)
|
|
ctx->frameCount++;
|
|
|
|
if (ctx->frameCount % ICON_REFRESH_INTERVAL == 0) {
|
|
refreshMinimizedIcons(ctx);
|
|
}
|
|
|
|
if (ctx->dirty.count > 0) {
|
|
compositeAndFlush(ctx);
|
|
} else if (ctx->idleCallback) {
|
|
ctx->idleCallback(ctx->idleCtx);
|
|
} else {
|
|
__dpmi_yield();
|
|
}
|
|
|
|
// After compositing, release accel-pressed button (one frame of animation)
|
|
if (sAccelPressedBtn) {
|
|
sAccelPressedBtn->as.button.pressed = false;
|
|
|
|
if (sAccelPressedBtn->onClick) {
|
|
sAccelPressedBtn->onClick(sAccelPressedBtn);
|
|
}
|
|
|
|
wgtInvalidate(sAccelPressedBtn);
|
|
sAccelPressedBtn = NULL;
|
|
}
|
|
|
|
ctx->prevMouseX = ctx->mouseX;
|
|
ctx->prevMouseY = ctx->mouseY;
|
|
ctx->prevMouseButtons = ctx->mouseButtons;
|
|
|
|
return ctx->running;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxShutdown
|
|
// ============================================================
|
|
|
|
void dvxShutdown(AppContextT *ctx) {
|
|
// Destroy all remaining windows
|
|
while (ctx->stack.count > 0) {
|
|
wmDestroyWindow(&ctx->stack, ctx->stack.windows[ctx->stack.count - 1]);
|
|
}
|
|
|
|
videoShutdown(&ctx->display);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxSetTitle
|
|
// ============================================================
|
|
|
|
void dvxSetTitle(AppContextT *ctx, WindowT *win, const char *title) {
|
|
wmSetTitle(win, &ctx->dirty, title);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// dvxSetWindowIcon
|
|
// ============================================================
|
|
|
|
int32_t dvxSetWindowIcon(AppContextT *ctx, WindowT *win, const char *path) {
|
|
return wmSetIcon(win, path, &ctx->display);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// executeSysMenuCmd
|
|
// ============================================================
|
|
|
|
static void executeSysMenuCmd(AppContextT *ctx, int32_t cmd) {
|
|
WindowT *win = findWindowById(ctx, ctx->sysMenu.windowId);
|
|
|
|
closeSysMenu(ctx);
|
|
|
|
if (!win) {
|
|
return;
|
|
}
|
|
|
|
switch (cmd) {
|
|
case SysMenuRestoreE:
|
|
if (win->maximized) {
|
|
wmRestore(&ctx->stack, &ctx->dirty, &ctx->display, win);
|
|
}
|
|
break;
|
|
|
|
case SysMenuMoveE:
|
|
ctx->kbMoveResize.mode = KbModeMoveE;
|
|
ctx->kbMoveResize.windowId = win->id;
|
|
ctx->kbMoveResize.origX = win->x;
|
|
ctx->kbMoveResize.origY = win->y;
|
|
break;
|
|
|
|
case SysMenuSizeE:
|
|
ctx->kbMoveResize.mode = KbModeResizeE;
|
|
ctx->kbMoveResize.windowId = win->id;
|
|
ctx->kbMoveResize.origX = win->x;
|
|
ctx->kbMoveResize.origY = win->y;
|
|
ctx->kbMoveResize.origW = win->w;
|
|
ctx->kbMoveResize.origH = win->h;
|
|
break;
|
|
|
|
case SysMenuMinimizeE:
|
|
wmMinimize(&ctx->stack, &ctx->dirty, win);
|
|
dirtyListAdd(&ctx->dirty, 0, ctx->display.height - ICON_TOTAL_SIZE - ICON_SPACING, ctx->display.width, ICON_TOTAL_SIZE + ICON_SPACING);
|
|
break;
|
|
|
|
case SysMenuMaximizeE:
|
|
if (win->resizable && !win->maximized) {
|
|
wmMaximize(&ctx->stack, &ctx->dirty, &ctx->display, win);
|
|
}
|
|
break;
|
|
|
|
case SysMenuCloseE:
|
|
if (win->onClose) {
|
|
win->onClose(win);
|
|
} else {
|
|
dvxDestroyWindow(ctx, win);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// findWindowById
|
|
// ============================================================
|
|
|
|
static WindowT *findWindowById(AppContextT *ctx, int32_t id) {
|
|
for (int32_t i = 0; i < ctx->stack.count; i++) {
|
|
if (ctx->stack.windows[i]->id == id) {
|
|
return ctx->stack.windows[i];
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// handleMouseButton
|
|
// ============================================================
|
|
|
|
static void handleMouseButton(AppContextT *ctx, int32_t mx, int32_t my, int32_t buttons) {
|
|
// Check for click on minimized icon first
|
|
int32_t iconIdx = wmMinimizedIconHit(&ctx->stack, &ctx->display, mx, my);
|
|
|
|
if (iconIdx >= 0) {
|
|
WindowT *iconWin = ctx->stack.windows[iconIdx];
|
|
clock_t now = clock();
|
|
|
|
if (ctx->lastIconClickId == iconWin->id &&
|
|
(now - ctx->lastIconClickTime) < DBLCLICK_THRESHOLD) {
|
|
// Double-click: restore minimized window
|
|
// Dirty the entire icon strip area
|
|
dirtyListAdd(&ctx->dirty, 0,
|
|
ctx->display.height - ICON_TOTAL_SIZE - ICON_SPACING,
|
|
ctx->display.width, ICON_TOTAL_SIZE + ICON_SPACING);
|
|
wmRestoreMinimized(&ctx->stack, &ctx->dirty, iconWin);
|
|
ctx->lastIconClickId = -1;
|
|
} else {
|
|
// First click — record for double-click detection
|
|
ctx->lastIconClickTime = now;
|
|
ctx->lastIconClickId = iconWin->id;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
int32_t hitPart;
|
|
int32_t hitIdx = wmHitTest(&ctx->stack, mx, my, &hitPart);
|
|
|
|
if (hitIdx < 0) {
|
|
return; // clicked on desktop
|
|
}
|
|
|
|
WindowT *win = ctx->stack.windows[hitIdx];
|
|
|
|
// Raise and focus if not already
|
|
if (hitIdx != ctx->stack.focusedIdx) {
|
|
wmRaiseWindow(&ctx->stack, &ctx->dirty, hitIdx);
|
|
// After raise, the window is now at count-1
|
|
hitIdx = ctx->stack.count - 1;
|
|
wmSetFocus(&ctx->stack, &ctx->dirty, hitIdx);
|
|
}
|
|
|
|
switch (hitPart) {
|
|
case 0: // content
|
|
if (win->onMouse) {
|
|
int32_t relX = mx - win->x - win->contentX;
|
|
int32_t relY = my - win->y - win->contentY;
|
|
win->onMouse(win, relX, relY, buttons);
|
|
}
|
|
break;
|
|
|
|
case 1: // title bar — start drag
|
|
wmDragBegin(&ctx->stack, hitIdx, mx, my);
|
|
break;
|
|
|
|
case 2: // close button (double-click to close, single-click opens system menu)
|
|
{
|
|
clock_t now = clock();
|
|
|
|
if (ctx->lastCloseClickId == win->id &&
|
|
(now - ctx->lastCloseClickTime) < DBLCLICK_THRESHOLD) {
|
|
ctx->lastCloseClickId = -1;
|
|
closeSysMenu(ctx);
|
|
|
|
if (win->onClose) {
|
|
win->onClose(win);
|
|
} else {
|
|
dvxDestroyWindow(ctx, win);
|
|
}
|
|
} else {
|
|
ctx->lastCloseClickTime = now;
|
|
ctx->lastCloseClickId = win->id;
|
|
openSysMenu(ctx, win);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 3: // resize edge
|
|
{
|
|
int32_t edge = wmResizeEdgeHit(win, mx, my);
|
|
wmResizeBegin(&ctx->stack, hitIdx, edge, mx, my);
|
|
}
|
|
break;
|
|
|
|
case 4: // menu bar
|
|
{
|
|
// Determine which menu was clicked
|
|
if (!win->menuBar) {
|
|
break;
|
|
}
|
|
|
|
int32_t relX = mx - win->x;
|
|
|
|
for (int32_t i = 0; i < win->menuBar->menuCount; i++) {
|
|
MenuT *menu = &win->menuBar->menus[i];
|
|
|
|
if (relX >= menu->barX && relX < menu->barX + menu->barW) {
|
|
// Open popup
|
|
ctx->popup.active = true;
|
|
ctx->popup.windowId = win->id;
|
|
ctx->popup.menuIdx = i;
|
|
ctx->popup.popupX = win->x + menu->barX;
|
|
ctx->popup.popupY = win->y + CHROME_BORDER_WIDTH + CHROME_TITLE_HEIGHT + CHROME_MENU_HEIGHT;
|
|
ctx->popup.hoverItem = -1;
|
|
|
|
// Calculate popup size
|
|
int32_t maxW = 0;
|
|
|
|
for (int32_t k = 0; k < menu->itemCount; k++) {
|
|
int32_t itemW = textWidthAccel(&ctx->font, menu->items[k].label);
|
|
|
|
if (itemW > maxW) {
|
|
maxW = itemW;
|
|
}
|
|
}
|
|
|
|
ctx->popup.popupW = maxW + CHROME_TITLE_PAD * 2 + 8;
|
|
ctx->popup.popupH = menu->itemCount * ctx->font.charHeight + 4;
|
|
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY,
|
|
ctx->popup.popupW, ctx->popup.popupH);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 5: // vertical scrollbar
|
|
wmScrollbarClick(&ctx->stack, &ctx->dirty, hitIdx, 0, mx, my);
|
|
break;
|
|
|
|
case 6: // horizontal scrollbar
|
|
wmScrollbarClick(&ctx->stack, &ctx->dirty, hitIdx, 1, mx, my);
|
|
break;
|
|
|
|
case 7: // minimize
|
|
wmMinimize(&ctx->stack, &ctx->dirty, win);
|
|
// Dirty the icon strip area so the new icon gets drawn
|
|
dirtyListAdd(&ctx->dirty, 0,
|
|
ctx->display.height - ICON_TOTAL_SIZE - ICON_SPACING,
|
|
ctx->display.width, ICON_TOTAL_SIZE + ICON_SPACING);
|
|
break;
|
|
|
|
case 8: // maximize / restore
|
|
if (win->maximized) {
|
|
wmRestore(&ctx->stack, &ctx->dirty, &ctx->display, win);
|
|
} else {
|
|
wmMaximize(&ctx->stack, &ctx->dirty, &ctx->display, win);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// initColorScheme
|
|
// ============================================================
|
|
|
|
static void initColorScheme(AppContextT *ctx) {
|
|
DisplayT *d = &ctx->display;
|
|
|
|
// GEOS Ensemble Motif-style color scheme
|
|
ctx->colors.desktop = packColor(d, 0, 128, 128); // GEOS teal desktop
|
|
ctx->colors.windowFace = packColor(d, 192, 192, 192); // standard Motif grey
|
|
ctx->colors.windowHighlight = packColor(d, 255, 255, 255);
|
|
ctx->colors.windowShadow = packColor(d, 128, 128, 128);
|
|
ctx->colors.activeTitleBg = packColor(d, 48, 48, 48); // GEOS dark charcoal
|
|
ctx->colors.activeTitleFg = packColor(d, 255, 255, 255);
|
|
ctx->colors.inactiveTitleBg = packColor(d, 160, 160, 160); // lighter grey
|
|
ctx->colors.inactiveTitleFg = packColor(d, 64, 64, 64);
|
|
ctx->colors.contentBg = packColor(d, 192, 192, 192);
|
|
ctx->colors.contentFg = packColor(d, 0, 0, 0);
|
|
ctx->colors.menuBg = packColor(d, 192, 192, 192);
|
|
ctx->colors.menuFg = packColor(d, 0, 0, 0);
|
|
ctx->colors.menuHighlightBg = packColor(d, 48, 48, 48);
|
|
ctx->colors.menuHighlightFg = packColor(d, 255, 255, 255);
|
|
ctx->colors.buttonFace = packColor(d, 192, 192, 192);
|
|
ctx->colors.scrollbarBg = packColor(d, 192, 192, 192);
|
|
ctx->colors.scrollbarFg = packColor(d, 128, 128, 128);
|
|
ctx->colors.scrollbarTrough = packColor(d, 160, 160, 160); // GEOS lighter trough
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// initMouse
|
|
// ============================================================
|
|
|
|
static void initMouse(AppContextT *ctx) {
|
|
__dpmi_regs r;
|
|
|
|
// Reset mouse driver
|
|
memset(&r, 0, sizeof(r));
|
|
r.x.ax = 0x0000;
|
|
__dpmi_int(0x33, &r);
|
|
|
|
// Set horizontal range to match screen width
|
|
memset(&r, 0, sizeof(r));
|
|
r.x.ax = 0x0007;
|
|
r.x.cx = 0;
|
|
r.x.dx = ctx->display.width - 1;
|
|
__dpmi_int(0x33, &r);
|
|
|
|
// Set vertical range to match screen height
|
|
memset(&r, 0, sizeof(r));
|
|
r.x.ax = 0x0008;
|
|
r.x.cx = 0;
|
|
r.x.dx = ctx->display.height - 1;
|
|
__dpmi_int(0x33, &r);
|
|
|
|
// Position cursor at center of screen
|
|
ctx->mouseX = ctx->display.width / 2;
|
|
ctx->mouseY = ctx->display.height / 2;
|
|
ctx->prevMouseX = ctx->mouseX;
|
|
ctx->prevMouseY = ctx->mouseY;
|
|
|
|
// Set mouse position
|
|
memset(&r, 0, sizeof(r));
|
|
r.x.ax = 0x0004;
|
|
r.x.cx = ctx->mouseX;
|
|
r.x.dx = ctx->mouseY;
|
|
__dpmi_int(0x33, &r);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// openSysMenu
|
|
// ============================================================
|
|
|
|
static void openSysMenu(AppContextT *ctx, WindowT *win) {
|
|
// Close any existing popup menus first
|
|
if (ctx->popup.active) {
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY, ctx->popup.popupW, ctx->popup.popupH);
|
|
ctx->popup.active = false;
|
|
}
|
|
|
|
if (ctx->sysMenu.active) {
|
|
closeSysMenu(ctx);
|
|
return;
|
|
}
|
|
|
|
ctx->sysMenu.itemCount = 0;
|
|
ctx->sysMenu.windowId = win->id;
|
|
|
|
// Restore — enabled only when maximized
|
|
SysMenuItemT *item = &ctx->sysMenu.items[ctx->sysMenu.itemCount++];
|
|
strncpy(item->label, "&Restore", MAX_MENU_LABEL - 1);
|
|
item->cmd = SysMenuRestoreE;
|
|
item->separator = false;
|
|
item->enabled = win->maximized;
|
|
item->accelKey = accelParse(item->label);
|
|
|
|
// Move — disabled when maximized
|
|
item = &ctx->sysMenu.items[ctx->sysMenu.itemCount++];
|
|
strncpy(item->label, "&Move", MAX_MENU_LABEL - 1);
|
|
item->cmd = SysMenuMoveE;
|
|
item->separator = false;
|
|
item->enabled = !win->maximized;
|
|
item->accelKey = accelParse(item->label);
|
|
|
|
// Size — only if resizable and not maximized
|
|
item = &ctx->sysMenu.items[ctx->sysMenu.itemCount++];
|
|
strncpy(item->label, "&Size", MAX_MENU_LABEL - 1);
|
|
item->cmd = SysMenuSizeE;
|
|
item->separator = false;
|
|
item->enabled = win->resizable && !win->maximized;
|
|
item->accelKey = accelParse(item->label);
|
|
|
|
// Minimize
|
|
item = &ctx->sysMenu.items[ctx->sysMenu.itemCount++];
|
|
strncpy(item->label, "Mi&nimize", MAX_MENU_LABEL - 1);
|
|
item->cmd = SysMenuMinimizeE;
|
|
item->separator = false;
|
|
item->enabled = true;
|
|
item->accelKey = accelParse(item->label);
|
|
|
|
// Maximize — only if resizable and not maximized
|
|
item = &ctx->sysMenu.items[ctx->sysMenu.itemCount++];
|
|
strncpy(item->label, "Ma&ximize", MAX_MENU_LABEL - 1);
|
|
item->cmd = SysMenuMaximizeE;
|
|
item->separator = false;
|
|
item->enabled = win->resizable && !win->maximized;
|
|
item->accelKey = accelParse(item->label);
|
|
|
|
// Separator
|
|
item = &ctx->sysMenu.items[ctx->sysMenu.itemCount++];
|
|
memset(item, 0, sizeof(*item));
|
|
item->separator = true;
|
|
|
|
// Close
|
|
item = &ctx->sysMenu.items[ctx->sysMenu.itemCount++];
|
|
strncpy(item->label, "&Close", MAX_MENU_LABEL - 1);
|
|
item->cmd = SysMenuCloseE;
|
|
item->separator = false;
|
|
item->enabled = true;
|
|
item->accelKey = accelParse(item->label);
|
|
|
|
// Compute popup geometry — position below the close gadget
|
|
ctx->sysMenu.popupX = win->x + CHROME_BORDER_WIDTH;
|
|
ctx->sysMenu.popupY = win->y + CHROME_BORDER_WIDTH + CHROME_TITLE_HEIGHT;
|
|
|
|
if (win->menuBar) {
|
|
ctx->sysMenu.popupY += CHROME_MENU_HEIGHT;
|
|
}
|
|
|
|
int32_t maxW = 0;
|
|
|
|
for (int32_t i = 0; i < ctx->sysMenu.itemCount; i++) {
|
|
if (!ctx->sysMenu.items[i].separator) {
|
|
int32_t w = textWidthAccel(&ctx->font, ctx->sysMenu.items[i].label);
|
|
|
|
if (w > maxW) {
|
|
maxW = w;
|
|
}
|
|
}
|
|
}
|
|
|
|
ctx->sysMenu.popupW = maxW + CHROME_TITLE_PAD * 2 + 8;
|
|
ctx->sysMenu.popupH = ctx->sysMenu.itemCount * ctx->font.charHeight + 4;
|
|
ctx->sysMenu.hoverItem = -1;
|
|
ctx->sysMenu.active = true;
|
|
|
|
dirtyListAdd(&ctx->dirty, ctx->sysMenu.popupX, ctx->sysMenu.popupY, ctx->sysMenu.popupW, ctx->sysMenu.popupH);
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// pollAnsiTermWidgets — poll and repaint all ANSI term widgets
|
|
// ============================================================
|
|
|
|
static void pollAnsiTermWidgets(AppContextT *ctx) {
|
|
for (int32_t i = 0; i < ctx->stack.count; i++) {
|
|
WindowT *win = ctx->stack.windows[i];
|
|
|
|
if (win->widgetRoot) {
|
|
pollAnsiTermWidgetsWalk(ctx, win->widgetRoot, win);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// pollAnsiTermWidgetsWalk — recursive helper
|
|
// ============================================================
|
|
|
|
static void pollAnsiTermWidgetsWalk(AppContextT *ctx, WidgetT *w, WindowT *win) {
|
|
if (w->type == WidgetAnsiTermE) {
|
|
wgtAnsiTermPoll(w);
|
|
|
|
if (wgtAnsiTermRepaint(w) > 0) {
|
|
win->contentDirty = true;
|
|
dvxInvalidateWindow(ctx, win);
|
|
}
|
|
}
|
|
|
|
for (WidgetT *child = w->firstChild; child; child = child->nextSibling) {
|
|
pollAnsiTermWidgetsWalk(ctx, child, win);
|
|
}
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// pollKeyboard
|
|
// ============================================================
|
|
|
|
static void pollKeyboard(AppContextT *ctx) {
|
|
__dpmi_regs r;
|
|
|
|
// Check if key is available (INT 16h, enhanced function 11h)
|
|
while (1) {
|
|
memset(&r, 0, sizeof(r));
|
|
r.x.ax = 0x1100;
|
|
__dpmi_int(0x16, &r);
|
|
|
|
// Zero flag set = no key available
|
|
if (r.x.flags & 0x40) {
|
|
break;
|
|
}
|
|
|
|
// Read the key (INT 16h, enhanced function 10h)
|
|
memset(&r, 0, sizeof(r));
|
|
r.x.ax = 0x1000;
|
|
__dpmi_int(0x16, &r);
|
|
|
|
int32_t scancode = (r.x.ax >> 8) & 0xFF;
|
|
int32_t ascii = r.x.ax & 0xFF;
|
|
|
|
// Enhanced INT 16h returns ascii=0xE0 for grey/extended keys
|
|
// (arrows, Home, End, Insert, Delete, etc. on 101-key keyboards).
|
|
// Normalize to 0 so all extended key checks work uniformly.
|
|
if (ascii == 0xE0) {
|
|
ascii = 0;
|
|
}
|
|
|
|
// Keyboard move/resize mode — intercept all keys
|
|
if (ctx->kbMoveResize.mode != KbModeNoneE) {
|
|
WindowT *kbWin = findWindowById(ctx, ctx->kbMoveResize.windowId);
|
|
|
|
if (!kbWin) {
|
|
ctx->kbMoveResize.mode = KbModeNoneE;
|
|
continue;
|
|
}
|
|
|
|
if (ascii == 0x1B) {
|
|
// Cancel — restore original position/size
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
kbWin->x = ctx->kbMoveResize.origX;
|
|
kbWin->y = ctx->kbMoveResize.origY;
|
|
|
|
if (ctx->kbMoveResize.mode == KbModeResizeE) {
|
|
kbWin->w = ctx->kbMoveResize.origW;
|
|
kbWin->h = ctx->kbMoveResize.origH;
|
|
wmUpdateContentRect(kbWin);
|
|
wmReallocContentBuf(kbWin, &ctx->display);
|
|
|
|
if (kbWin->onResize) {
|
|
kbWin->onResize(kbWin, kbWin->contentW, kbWin->contentH);
|
|
}
|
|
|
|
if (kbWin->onPaint) {
|
|
kbWin->onPaint(kbWin, NULL);
|
|
}
|
|
}
|
|
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
ctx->kbMoveResize.mode = KbModeNoneE;
|
|
continue;
|
|
}
|
|
|
|
if (ascii == 0x0D) {
|
|
// Confirm
|
|
ctx->kbMoveResize.mode = KbModeNoneE;
|
|
continue;
|
|
}
|
|
|
|
if (ctx->kbMoveResize.mode == KbModeMoveE) {
|
|
if (ascii == 0 && scancode == 0x48) {
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
kbWin->y -= KB_MOVE_STEP;
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
} else if (ascii == 0 && scancode == 0x50) {
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
kbWin->y += KB_MOVE_STEP;
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
} else if (ascii == 0 && scancode == 0x4B) {
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
kbWin->x -= KB_MOVE_STEP;
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
} else if (ascii == 0 && scancode == 0x4D) {
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
kbWin->x += KB_MOVE_STEP;
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
}
|
|
} else {
|
|
// KbModeResizeE
|
|
int32_t newW = kbWin->w;
|
|
int32_t newH = kbWin->h;
|
|
|
|
if (ascii == 0 && scancode == 0x4D) {
|
|
newW += KB_MOVE_STEP;
|
|
} else if (ascii == 0 && scancode == 0x4B) {
|
|
newW -= KB_MOVE_STEP;
|
|
} else if (ascii == 0 && scancode == 0x50) {
|
|
newH += KB_MOVE_STEP;
|
|
} else if (ascii == 0 && scancode == 0x48) {
|
|
newH -= KB_MOVE_STEP;
|
|
}
|
|
|
|
if (newW < MIN_WINDOW_W) {
|
|
newW = MIN_WINDOW_W;
|
|
}
|
|
|
|
if (newH < MIN_WINDOW_H) {
|
|
newH = MIN_WINDOW_H;
|
|
}
|
|
|
|
if (kbWin->maxW > 0 && newW > kbWin->maxW) {
|
|
newW = kbWin->maxW;
|
|
}
|
|
|
|
if (kbWin->maxH > 0 && newH > kbWin->maxH) {
|
|
newH = kbWin->maxH;
|
|
}
|
|
|
|
if (newW != kbWin->w || newH != kbWin->h) {
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
kbWin->w = newW;
|
|
kbWin->h = newH;
|
|
wmUpdateContentRect(kbWin);
|
|
wmReallocContentBuf(kbWin, &ctx->display);
|
|
|
|
if (kbWin->onResize) {
|
|
kbWin->onResize(kbWin, kbWin->contentW, kbWin->contentH);
|
|
}
|
|
|
|
if (kbWin->onPaint) {
|
|
kbWin->onPaint(kbWin, NULL);
|
|
}
|
|
|
|
dirtyListAdd(&ctx->dirty, kbWin->x, kbWin->y, kbWin->w, kbWin->h);
|
|
}
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
// Alt+Space — open/close system menu
|
|
// Enhanced INT 16h: Alt+Space returns scancode 0x02, ascii 0x20
|
|
if (scancode == 0x02 && ascii == 0x20) {
|
|
if (ctx->sysMenu.active) {
|
|
closeSysMenu(ctx);
|
|
} else if (ctx->stack.focusedIdx >= 0) {
|
|
WindowT *win = ctx->stack.windows[ctx->stack.focusedIdx];
|
|
openSysMenu(ctx, win);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// System menu keyboard navigation
|
|
if (ctx->sysMenu.active) {
|
|
// Alt+key — close system menu and let it fall through to accel dispatch
|
|
if (ascii == 0 && scancode < 256 && sAltScanToAscii[scancode]) {
|
|
closeSysMenu(ctx);
|
|
// Fall through to dispatchAccelKey below
|
|
} else if (ascii == 0x1B) {
|
|
closeSysMenu(ctx);
|
|
continue;
|
|
} else if (ascii == 0 && scancode == 0x48) {
|
|
// Up arrow
|
|
int32_t idx = ctx->sysMenu.hoverItem;
|
|
|
|
for (int32_t tries = 0; tries < ctx->sysMenu.itemCount; tries++) {
|
|
idx--;
|
|
|
|
if (idx < 0) {
|
|
idx = ctx->sysMenu.itemCount - 1;
|
|
}
|
|
|
|
if (!ctx->sysMenu.items[idx].separator) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
ctx->sysMenu.hoverItem = idx;
|
|
dirtyListAdd(&ctx->dirty, ctx->sysMenu.popupX, ctx->sysMenu.popupY, ctx->sysMenu.popupW, ctx->sysMenu.popupH);
|
|
continue;
|
|
} else if (ascii == 0 && scancode == 0x50) {
|
|
// Down arrow
|
|
int32_t idx = ctx->sysMenu.hoverItem;
|
|
|
|
for (int32_t tries = 0; tries < ctx->sysMenu.itemCount; tries++) {
|
|
idx++;
|
|
|
|
if (idx >= ctx->sysMenu.itemCount) {
|
|
idx = 0;
|
|
}
|
|
|
|
if (!ctx->sysMenu.items[idx].separator) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
ctx->sysMenu.hoverItem = idx;
|
|
dirtyListAdd(&ctx->dirty, ctx->sysMenu.popupX, ctx->sysMenu.popupY, ctx->sysMenu.popupW, ctx->sysMenu.popupH);
|
|
continue;
|
|
} else if (ascii == 0x0D) {
|
|
// Enter — execute selected item
|
|
if (ctx->sysMenu.hoverItem >= 0 && ctx->sysMenu.hoverItem < ctx->sysMenu.itemCount) {
|
|
SysMenuItemT *item = &ctx->sysMenu.items[ctx->sysMenu.hoverItem];
|
|
|
|
if (item->enabled && !item->separator) {
|
|
executeSysMenuCmd(ctx, item->cmd);
|
|
}
|
|
} else {
|
|
closeSysMenu(ctx);
|
|
}
|
|
continue;
|
|
} else if (ascii != 0) {
|
|
// Accelerator key match
|
|
char lc = (char)tolower(ascii);
|
|
|
|
for (int32_t k = 0; k < ctx->sysMenu.itemCount; k++) {
|
|
if (ctx->sysMenu.items[k].accelKey == lc && ctx->sysMenu.items[k].enabled && !ctx->sysMenu.items[k].separator) {
|
|
executeSysMenuCmd(ctx, ctx->sysMenu.items[k].cmd);
|
|
goto nextKey;
|
|
}
|
|
}
|
|
|
|
// No sys menu match — try menu bar accelerators
|
|
closeSysMenu(ctx);
|
|
if (ctx->stack.focusedIdx >= 0) {
|
|
WindowT *win = ctx->stack.windows[ctx->stack.focusedIdx];
|
|
|
|
if (win->menuBar) {
|
|
for (int32_t i = 0; i < win->menuBar->menuCount; i++) {
|
|
if (win->menuBar->menus[i].accelKey == lc) {
|
|
dispatchAccelKey(ctx, lc);
|
|
goto nextKey;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
continue;
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Check for Alt+key (BIOS returns ascii=0 with specific scancodes)
|
|
if (ascii == 0 && scancode < 256 && sAltScanToAscii[scancode]) {
|
|
char accelKey = sAltScanToAscii[scancode];
|
|
|
|
if (dispatchAccelKey(ctx, accelKey)) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Popup menu keyboard navigation (arrows, enter, esc)
|
|
if (ctx->popup.active && ascii == 0) {
|
|
// Up arrow
|
|
if (scancode == 0x48) {
|
|
WindowT *win = findWindowById(ctx, ctx->popup.windowId);
|
|
|
|
if (win && win->menuBar && ctx->popup.menuIdx < win->menuBar->menuCount) {
|
|
MenuT *menu = &win->menuBar->menus[ctx->popup.menuIdx];
|
|
int32_t idx = ctx->popup.hoverItem;
|
|
|
|
for (int32_t tries = 0; tries < menu->itemCount; tries++) {
|
|
idx--;
|
|
|
|
if (idx < 0) {
|
|
idx = menu->itemCount - 1;
|
|
}
|
|
|
|
if (!menu->items[idx].separator) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
ctx->popup.hoverItem = idx;
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY, ctx->popup.popupW, ctx->popup.popupH);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Down arrow
|
|
if (scancode == 0x50) {
|
|
WindowT *win = findWindowById(ctx, ctx->popup.windowId);
|
|
|
|
if (win && win->menuBar && ctx->popup.menuIdx < win->menuBar->menuCount) {
|
|
MenuT *menu = &win->menuBar->menus[ctx->popup.menuIdx];
|
|
int32_t idx = ctx->popup.hoverItem;
|
|
|
|
for (int32_t tries = 0; tries < menu->itemCount; tries++) {
|
|
idx++;
|
|
|
|
if (idx >= menu->itemCount) {
|
|
idx = 0;
|
|
}
|
|
|
|
if (!menu->items[idx].separator) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
ctx->popup.hoverItem = idx;
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY, ctx->popup.popupW, ctx->popup.popupH);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Left arrow — switch to previous menu
|
|
if (scancode == 0x4B) {
|
|
WindowT *win = findWindowById(ctx, ctx->popup.windowId);
|
|
|
|
if (win && win->menuBar && win->menuBar->menuCount > 1) {
|
|
int32_t newIdx = ctx->popup.menuIdx - 1;
|
|
|
|
if (newIdx < 0) {
|
|
newIdx = win->menuBar->menuCount - 1;
|
|
}
|
|
|
|
dispatchAccelKey(ctx, win->menuBar->menus[newIdx].accelKey);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// Right arrow — switch to next menu
|
|
if (scancode == 0x4D) {
|
|
WindowT *win = findWindowById(ctx, ctx->popup.windowId);
|
|
|
|
if (win && win->menuBar && win->menuBar->menuCount > 1) {
|
|
int32_t newIdx = ctx->popup.menuIdx + 1;
|
|
|
|
if (newIdx >= win->menuBar->menuCount) {
|
|
newIdx = 0;
|
|
}
|
|
|
|
dispatchAccelKey(ctx, win->menuBar->menus[newIdx].accelKey);
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Enter executes highlighted popup menu item
|
|
if (ctx->popup.active && ascii == 0x0D) {
|
|
if (ctx->popup.hoverItem >= 0) {
|
|
WindowT *win = findWindowById(ctx, ctx->popup.windowId);
|
|
|
|
if (win && win->menuBar && ctx->popup.menuIdx < win->menuBar->menuCount) {
|
|
MenuT *menu = &win->menuBar->menus[ctx->popup.menuIdx];
|
|
|
|
if (ctx->popup.hoverItem < menu->itemCount) {
|
|
MenuItemT *item = &menu->items[ctx->popup.hoverItem];
|
|
|
|
if (item->enabled && !item->separator && win->onMenu) {
|
|
win->onMenu(win, item->id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY, ctx->popup.popupW, ctx->popup.popupH);
|
|
ctx->popup.active = false;
|
|
continue;
|
|
}
|
|
|
|
// Check for plain key accelerator in open popup menu
|
|
if (ctx->popup.active && ascii != 0) {
|
|
char lc = (ascii >= 'A' && ascii <= 'Z') ? (char)(ascii + 32) : (char)ascii;
|
|
|
|
for (int32_t j = 0; j < ctx->stack.count; j++) {
|
|
if (ctx->stack.windows[j]->id == ctx->popup.windowId) {
|
|
WindowT *win = ctx->stack.windows[j];
|
|
MenuBarT *bar = win->menuBar;
|
|
|
|
if (bar && ctx->popup.menuIdx < bar->menuCount) {
|
|
MenuT *menu = &bar->menus[ctx->popup.menuIdx];
|
|
|
|
// Try matching an item in the current popup
|
|
for (int32_t k = 0; k < menu->itemCount; k++) {
|
|
MenuItemT *item = &menu->items[k];
|
|
|
|
if (item->accelKey == lc && item->enabled && !item->separator) {
|
|
if (win->onMenu) {
|
|
win->onMenu(win, item->id);
|
|
}
|
|
|
|
// Close popup
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY,
|
|
ctx->popup.popupW, ctx->popup.popupH);
|
|
ctx->popup.active = false;
|
|
goto nextKey;
|
|
}
|
|
}
|
|
|
|
// No match in current popup — try switching to another menu
|
|
for (int32_t i = 0; i < bar->menuCount; i++) {
|
|
if (bar->menus[i].accelKey == lc && i != ctx->popup.menuIdx) {
|
|
dispatchAccelKey(ctx, lc);
|
|
goto nextKey;
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// ESC closes open dropdown/combobox popup
|
|
if (sOpenPopup && ascii == 0x1B) {
|
|
// Dirty the popup list area
|
|
WindowT *popWin = sOpenPopup->window;
|
|
int32_t popX;
|
|
int32_t popY;
|
|
int32_t popW;
|
|
int32_t popH;
|
|
widgetDropdownPopupRect(sOpenPopup, &ctx->font, popWin->contentH, &popX, &popY, &popW, &popH);
|
|
dirtyListAdd(&ctx->dirty, popWin->x + popWin->contentX + popX, popWin->y + popWin->contentY + popY, popW, popH);
|
|
|
|
WidgetT *closing = sOpenPopup;
|
|
sOpenPopup = NULL;
|
|
|
|
if (closing->type == WidgetDropdownE) {
|
|
closing->as.dropdown.open = false;
|
|
} else if (closing->type == WidgetComboBoxE) {
|
|
closing->as.comboBox.open = false;
|
|
}
|
|
|
|
wgtInvalidate(closing);
|
|
continue;
|
|
}
|
|
|
|
// ESC closes popup menu
|
|
if (ctx->popup.active && ascii == 0x1B) {
|
|
dirtyListAdd(&ctx->dirty, ctx->popup.popupX, ctx->popup.popupY,
|
|
ctx->popup.popupW, ctx->popup.popupH);
|
|
ctx->popup.active = false;
|
|
continue;
|
|
}
|
|
|
|
// Send to focused window
|
|
if (ctx->stack.focusedIdx >= 0) {
|
|
WindowT *win = ctx->stack.windows[ctx->stack.focusedIdx];
|
|
|
|
if (win->onKey) {
|
|
win->onKey(win, ascii ? ascii : (scancode | 0x100), 0);
|
|
}
|
|
}
|
|
|
|
continue;
|
|
nextKey:;
|
|
}
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// pollMouse
|
|
// ============================================================
|
|
|
|
static void pollMouse(AppContextT *ctx) {
|
|
__dpmi_regs r;
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
r.x.ax = 0x0003;
|
|
__dpmi_int(0x33, &r);
|
|
|
|
ctx->mouseX = r.x.cx;
|
|
ctx->mouseY = r.x.dx;
|
|
ctx->mouseButtons = r.x.bx;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// refreshMinimizedIcons
|
|
// ============================================================
|
|
//
|
|
// Dirty the next minimized window icon whose content has changed
|
|
// since the last refresh. Only considers windows without custom
|
|
// iconData. Called every ICON_REFRESH_INTERVAL frames to stagger.
|
|
|
|
static void refreshMinimizedIcons(AppContextT *ctx) {
|
|
WindowStackT *ws = &ctx->stack;
|
|
DisplayT *d = &ctx->display;
|
|
int32_t count = 0;
|
|
int32_t iconIdx = 0;
|
|
|
|
for (int32_t i = 0; i < ws->count; i++) {
|
|
WindowT *win = ws->windows[i];
|
|
|
|
if (!win->visible || !win->minimized) {
|
|
continue;
|
|
}
|
|
|
|
if (!win->iconData && win->contentDirty) {
|
|
if (count >= ctx->iconRefreshIdx) {
|
|
int32_t ix = ICON_SPACING + iconIdx * (ICON_TOTAL_SIZE + ICON_SPACING);
|
|
int32_t iy = d->height - ICON_TOTAL_SIZE - ICON_SPACING;
|
|
dirtyListAdd(&ctx->dirty, ix, iy, ICON_TOTAL_SIZE, ICON_TOTAL_SIZE);
|
|
win->contentDirty = false;
|
|
ctx->iconRefreshIdx = count + 1;
|
|
return;
|
|
}
|
|
|
|
count++;
|
|
}
|
|
|
|
iconIdx++;
|
|
}
|
|
|
|
// Wrapped past the end — reset for next cycle
|
|
ctx->iconRefreshIdx = 0;
|
|
}
|
|
|
|
|
|
// ============================================================
|
|
// updateCursorShape
|
|
// ============================================================
|
|
|
|
static void updateCursorShape(AppContextT *ctx) {
|
|
int32_t newCursor = CURSOR_ARROW;
|
|
int32_t mx = ctx->mouseX;
|
|
int32_t my = ctx->mouseY;
|
|
|
|
// During active resize, keep the resize cursor
|
|
if (ctx->stack.resizeWindow >= 0) {
|
|
int32_t edge = ctx->stack.resizeEdge;
|
|
bool horiz = (edge & (RESIZE_LEFT | RESIZE_RIGHT)) != 0;
|
|
bool vert = (edge & (RESIZE_TOP | RESIZE_BOTTOM)) != 0;
|
|
|
|
if (horiz && vert) {
|
|
if ((edge & RESIZE_LEFT && edge & RESIZE_TOP) ||
|
|
(edge & RESIZE_RIGHT && edge & RESIZE_BOTTOM)) {
|
|
newCursor = CURSOR_RESIZE_DIAG_NWSE;
|
|
} else {
|
|
newCursor = CURSOR_RESIZE_DIAG_NESW;
|
|
}
|
|
} else if (horiz) {
|
|
newCursor = CURSOR_RESIZE_H;
|
|
} else {
|
|
newCursor = CURSOR_RESIZE_V;
|
|
}
|
|
}
|
|
// Not in an active drag/resize — check what we're hovering
|
|
else if (ctx->stack.dragWindow < 0 && ctx->stack.scrollWindow < 0) {
|
|
int32_t hitPart;
|
|
int32_t hitIdx = wmHitTest(&ctx->stack, mx, my, &hitPart);
|
|
|
|
if (hitIdx >= 0 && hitPart == 3) {
|
|
// Hovering over a resize edge
|
|
WindowT *win = ctx->stack.windows[hitIdx];
|
|
int32_t edge = wmResizeEdgeHit(win, mx, my);
|
|
bool horiz = (edge & (RESIZE_LEFT | RESIZE_RIGHT)) != 0;
|
|
bool vert = (edge & (RESIZE_TOP | RESIZE_BOTTOM)) != 0;
|
|
|
|
if (horiz && vert) {
|
|
if ((edge & RESIZE_LEFT && edge & RESIZE_TOP) ||
|
|
(edge & RESIZE_RIGHT && edge & RESIZE_BOTTOM)) {
|
|
newCursor = CURSOR_RESIZE_DIAG_NWSE;
|
|
} else {
|
|
newCursor = CURSOR_RESIZE_DIAG_NESW;
|
|
}
|
|
} else if (horiz) {
|
|
newCursor = CURSOR_RESIZE_H;
|
|
} else if (vert) {
|
|
newCursor = CURSOR_RESIZE_V;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If cursor shape changed, dirty the cursor area
|
|
if (newCursor != ctx->cursorId) {
|
|
dirtyCursorArea(ctx, mx, my);
|
|
ctx->cursorId = newCursor;
|
|
}
|
|
}
|