127 lines
4.4 KiB
C
127 lines
4.4 KiB
C
// dvx_app.h — Layer 5: Application API for DV/X GUI
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#ifndef DVX_APP_H
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#define DVX_APP_H
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#include "dvxTypes.h"
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#include "dvxVideo.h"
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#include "dvxDraw.h"
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#include "dvxComp.h"
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#include "dvxWm.h"
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#include <time.h>
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// ============================================================
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// Application context
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// ============================================================
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typedef struct AppContextT {
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DisplayT display;
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WindowStackT stack;
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DirtyListT dirty;
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BlitOpsT blitOps;
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BitmapFontT font;
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ColorSchemeT colors;
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PopupStateT popup;
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SysMenuStateT sysMenu;
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KbMoveResizeT kbMoveResize;
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CursorT cursors[5]; // indexed by CURSOR_xxx
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int32_t cursorId; // active cursor shape
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uint32_t cursorFg; // pre-packed cursor colors
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uint32_t cursorBg;
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bool running;
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int32_t mouseX;
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int32_t mouseY;
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int32_t mouseButtons;
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int32_t keyModifiers; // current BIOS shift state (KEY_MOD_xxx)
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int32_t prevMouseX;
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int32_t prevMouseY;
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int32_t prevMouseButtons;
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clock_t lastIconClickTime;
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int32_t lastIconClickId; // window ID of last-clicked minimized icon (-1 = none)
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clock_t lastCloseClickTime;
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int32_t lastCloseClickId; // window ID of last-clicked close gadget (-1 = none)
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int32_t iconRefreshIdx; // next minimized icon to refresh (staggered)
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int32_t frameCount; // frame counter for periodic tasks
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void (*idleCallback)(void *ctx); // called instead of yield when non-NULL
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void *idleCtx;
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WindowT *modalWindow; // if non-NULL, only this window receives input
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// Tooltip state
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clock_t tooltipHoverStart; // when mouse stopped moving
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const char *tooltipText; // text to show (NULL = hidden)
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int32_t tooltipX; // screen position
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int32_t tooltipY;
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int32_t tooltipW; // size (pre-computed)
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int32_t tooltipH;
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} AppContextT;
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// Initialize the application (VESA mode, input, etc.)
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int32_t dvxInit(AppContextT *ctx, int32_t requestedW, int32_t requestedH, int32_t preferredBpp);
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// Shut down and restore text mode
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void dvxShutdown(AppContextT *ctx);
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// Run the main event loop (returns when ctx->running is set to false)
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void dvxRun(AppContextT *ctx);
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// Process one iteration of the event loop.
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// Returns true if the GUI is still running, false if it wants to exit.
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bool dvxUpdate(AppContextT *ctx);
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// Create a window
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WindowT *dvxCreateWindow(AppContextT *ctx, const char *title, int32_t x, int32_t y, int32_t w, int32_t h, bool resizable);
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// Destroy a window
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void dvxDestroyWindow(AppContextT *ctx, WindowT *win);
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// Resize a window to fit its widget tree's minimum size
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void dvxFitWindow(AppContextT *ctx, WindowT *win);
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// Invalidate a region of a window's content area (triggers repaint)
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void dvxInvalidateRect(AppContextT *ctx, WindowT *win, int32_t x, int32_t y, int32_t w, int32_t h);
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// Invalidate entire window content
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void dvxInvalidateWindow(AppContextT *ctx, WindowT *win);
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// Minimize a window (show as icon at bottom of screen)
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void dvxMinimizeWindow(AppContextT *ctx, WindowT *win);
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// Maximize a window (expand to fill screen or maxW/maxH)
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void dvxMaximizeWindow(AppContextT *ctx, WindowT *win);
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// Request exit from main loop
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void dvxQuit(AppContextT *ctx);
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// Set window title
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void dvxSetTitle(AppContextT *ctx, WindowT *win, const char *title);
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// Get the default font
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const BitmapFontT *dvxGetFont(const AppContextT *ctx);
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// Get the color scheme
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const ColorSchemeT *dvxGetColors(const AppContextT *ctx);
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// Get the display
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DisplayT *dvxGetDisplay(AppContextT *ctx);
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// Get blit ops
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const BlitOpsT *dvxGetBlitOps(const AppContextT *ctx);
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// Load an icon for a window from an image file
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int32_t dvxSetWindowIcon(AppContextT *ctx, WindowT *win, const char *path);
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// Create an accelerator table (caller must free with dvxFreeAccelTable)
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AccelTableT *dvxCreateAccelTable(void);
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// Free an accelerator table
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void dvxFreeAccelTable(AccelTableT *table);
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// Add an entry to an accelerator table
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void dvxAddAccel(AccelTableT *table, int32_t key, int32_t modifiers, int32_t cmdId);
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// Copy text to the shared clipboard
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void dvxClipboardCopy(const char *text, int32_t len);
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// Get clipboard contents (returns pointer to internal buffer, NULL if empty)
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const char *dvxClipboardGet(int32_t *outLen);
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#endif // DVX_APP_H
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