AI_Slop/DVX_GUI
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ProgMan is now it's own app. About app moved into ProgMan. Minor API improvements.

Browse source
This commit is contained in:
Scott Duensing 2026-03-17 16:11:31 -05:00
parent 76030270f9
commit 78302c26d2
31 changed files with 716 additions and 164 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
apps/Makefile
View file

@ -10,17 +10,17 @@ OBJDIR = ../obj/apps
BINDIR = ../bin/apps
# App definitions: each is a subdir with a single .c file
APPS = about notepad clock
APPS = progman notepad clock
.PHONY: all clean $(APPS)
all: $(APPS)
about: $(BINDIR)/about.app
progman: $(BINDIR)/progman.app
notepad: $(BINDIR)/notepad.app
clock: $(BINDIR)/clock.app
$(BINDIR)/about.app: $(OBJDIR)/about.o | $(BINDIR)
$(BINDIR)/progman.app: $(OBJDIR)/progman.o | $(BINDIR)
$(DXE3GEN) -o $@ -E _appDescriptor -E _appMain -U $<
$(BINDIR)/notepad.app: $(OBJDIR)/notepad.o | $(BINDIR)
@ -29,7 +29,7 @@ $(BINDIR)/notepad.app: $(OBJDIR)/notepad.o | $(BINDIR)
$(BINDIR)/clock.app: $(OBJDIR)/clock.o | $(BINDIR)
$(DXE3GEN) -o $@ -E _appDescriptor -E _appMain -E _appShutdown -U $<
$(OBJDIR)/about.o: about/about.c | $(OBJDIR)
$(OBJDIR)/progman.o: progman/progman.c | $(OBJDIR)
$(CC) $(CFLAGS) -c -o $@ $<
$(OBJDIR)/notepad.o: notepad/notepad.c | $(OBJDIR)
@ -45,7 +45,7 @@ $(BINDIR):
mkdir -p $(BINDIR)
# Dependencies
$(OBJDIR)/about.o: about/about.c ../dvx/dvxApp.h ../dvx/dvxWidget.h ../dvxshell/shellApp.h
$(OBJDIR)/progman.o: progman/progman.c ../dvx/dvxApp.h ../dvx/dvxDialog.h ../dvx/dvxWidget.h ../dvx/dvxWm.h ../dvxshell/shellApp.h
$(OBJDIR)/notepad.o: notepad/notepad.c ../dvx/dvxApp.h ../dvx/dvxDialog.h ../dvx/dvxWidget.h ../dvx/dvxWm.h ../dvxshell/shellApp.h
$(OBJDIR)/clock.o: clock/clock.c ../dvx/dvxApp.h ../dvx/dvxWidget.h ../dvx/dvxDraw.h ../dvx/dvxVideo.h ../dvxshell/shellApp.h ../tasks/taskswitch.h

99
apps/about/about.c
View file

@ -1,99 +0,0 @@
// about.c — "About DVX Shell" sample DXE application (callback-only)
//
// Demonstrates a simple callback-only app: creates a window with widgets,
// registers callbacks, and returns. The shell event loop handles the rest.
#include "dvxApp.h"
#include "dvxWidget.h"
#include "shellApp.h"
#include <stdint.h>
#include <stdbool.h>
// ============================================================
// Prototypes
// ============================================================
int32_t appMain(DxeAppContextT *ctx);
static void onClose(WindowT *win);
static void onOkClick(WidgetT *w);
// ============================================================
// App state
// ============================================================
static DxeAppContextT *sCtx = NULL;
static WindowT *sWin = NULL;
// ============================================================
// App descriptor (required DXE export)
// ============================================================
AppDescriptorT appDescriptor = {
.name = "About",
.hasMainLoop = false,
.stackSize = 0,
.priority = TS_PRIORITY_NORMAL
};
// ============================================================
// Callbacks
// ============================================================
static void onClose(WindowT *win) {
dvxDestroyWindow(sCtx->shellCtx, win);
sWin = NULL;
}
static void onOkClick(WidgetT *w) {
(void)w;
if (sWin) {
dvxDestroyWindow(sCtx->shellCtx, sWin);
sWin = NULL;
}
}
// ============================================================
// Entry point
// ============================================================
int32_t appMain(DxeAppContextT *ctx) {
sCtx = ctx;
AppContextT *ac = ctx->shellCtx;
int32_t screenW = ac->display.width;
int32_t screenH = ac->display.height;
int32_t winW = 280;
int32_t winH = 200;
int32_t winX = (screenW - winW) / 2;
int32_t winY = (screenH - winH) / 3;
sWin = dvxCreateWindow(ac, "About DVX Shell", winX, winY, winW, winH, false);
if (!sWin) {
return -1;
}
sWin->onClose = onClose;
WidgetT *root = wgtInitWindow(ac, sWin);
wgtLabel(root, "DVX Shell 1.0");
wgtHSeparator(root);
wgtLabel(root, "A DOS Visual eXecutive desktop shell for DJGPP/DPMI.");
wgtLabel(root, "Using DXE3 dynamic loading for application modules.");
wgtSpacer(root);
WidgetT *btnRow = wgtHBox(root);
btnRow->align = AlignCenterE;
WidgetT *okBtn = wgtButton(btnRow, "OK");
okBtn->onClick = onOkClick;
okBtn->prefW = wgtPixels(80);
dvxFitWindow(ac, sWin);
wgtInvalidate(root);
return 0;
}

534
apps/progman/progman.c Normal file
View file

@ -0,0 +1,534 @@
// progman.c — Program Manager application for DVX Shell
//
// Displays a grid of available apps from the apps/ directory.
// Double-click or Enter launches an app. Includes Task Manager (Ctrl+Esc).
// This is a callback-only DXE app: creates windows, registers callbacks,
// and returns.
#include "dvxApp.h"
#include "dvxDialog.h"
#include "dvxWidget.h"
#include "dvxWm.h"
#include "shellApp.h"
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <dirent.h>
// ============================================================
// Constants
// ============================================================
#define MAX_APP_FILES 64
#define MAX_PATH_LEN 260
#define PM_GRID_COLS 4
#define PM_BTN_W 100
#define PM_BTN_H 24
// Menu command IDs
#define CMD_RUN 100
#define CMD_EXIT 101
#define CMD_CASCADE 200
#define CMD_TILE 201
#define CMD_TILE_H 202
#define CMD_TILE_V 203
#define CMD_ABOUT 300
#define CMD_TASK_MGR 301
// ============================================================
// Module state
// ============================================================
typedef struct {
char name[SHELL_APP_NAME_MAX]; // display name (filename without .app)
char path[MAX_PATH_LEN]; // full path
} AppEntryT;
static DxeAppContextT *sCtx = NULL;
static AppContextT *sAc = NULL;
static int32_t sMyAppId = 0;
static WindowT *sPmWindow = NULL;
static WidgetT *sStatusLabel = NULL;
static AppEntryT sAppFiles[MAX_APP_FILES];
static int32_t sAppCount = 0;
// ============================================================
// Prototypes
// ============================================================
int32_t appMain(DxeAppContextT *ctx);
static void buildPmWindow(void);
static void desktopUpdate(void);
static void onAppButtonClick(WidgetT *w);
static void onPmClose(WindowT *win);
static void onPmMenu(WindowT *win, int32_t menuId);
static void scanAppsDir(void);
static void showAboutDialog(void);
static void updateStatusText(void);
// Task Manager
static WindowT *sTmWindow = NULL;
static WidgetT *sTmListBox = NULL;
static void buildTaskManager(void);
static void onTmClose(WindowT *win);
static void onTmEndTask(WidgetT *w);
static void onTmSwitchTo(WidgetT *w);
static void refreshTaskList(void);
// ============================================================
// App descriptor
// ============================================================
AppDescriptorT appDescriptor = {
.name = "Program Manager",
.hasMainLoop = false,
.stackSize = 0,
.priority = TS_PRIORITY_NORMAL
};
// ============================================================
// Static functions (alphabetical)
// ============================================================
static void buildPmWindow(void) {
int32_t screenW = sAc->display.width;
int32_t screenH = sAc->display.height;
int32_t winW = 440;
int32_t winH = 340;
int32_t winX = (screenW - winW) / 2;
int32_t winY = (screenH - winH) / 4;
sPmWindow = dvxCreateWindow(sAc, "Program Manager", winX, winY, winW, winH, true);
if (!sPmWindow) {
return;
}
sPmWindow->onClose = onPmClose;
sPmWindow->onMenu = onPmMenu;
// Menu bar
MenuBarT *menuBar = wmAddMenuBar(sPmWindow);
MenuT *fileMenu = wmAddMenu(menuBar, "&File");
wmAddMenuItem(fileMenu, "&Run...", CMD_RUN);
wmAddMenuSeparator(fileMenu);
wmAddMenuItem(fileMenu, "E&xit Shell", CMD_EXIT);
MenuT *windowMenu = wmAddMenu(menuBar, "&Window");
wmAddMenuItem(windowMenu, "&Cascade", CMD_CASCADE);
wmAddMenuItem(windowMenu, "&Tile", CMD_TILE);
wmAddMenuItem(windowMenu, "Tile &Horizontally", CMD_TILE_H);
wmAddMenuItem(windowMenu, "Tile &Vertically", CMD_TILE_V);
MenuT *helpMenu = wmAddMenu(menuBar, "&Help");
wmAddMenuItem(helpMenu, "&About DVX Shell...", CMD_ABOUT);
wmAddMenuSeparator(helpMenu);
wmAddMenuItem(helpMenu, "&Task Manager\tCtrl+Esc", CMD_TASK_MGR);
// Widget tree
WidgetT *root = wgtInitWindow(sAc, sPmWindow);
// App button grid in a frame
WidgetT *appFrame = wgtFrame(root, "Applications");
appFrame->weight = 100;
if (sAppCount == 0) {
WidgetT *lbl = wgtLabel(appFrame, "(No applications found in apps/ directory)");
(void)lbl;
} else {
// Build rows of buttons
int32_t row = 0;
WidgetT *hbox = NULL;
for (int32_t i = 0; i < sAppCount; i++) {
if (i % PM_GRID_COLS == 0) {
hbox = wgtHBox(appFrame);
hbox->spacing = wgtPixels(8);
row++;
}
WidgetT *btn = wgtButton(hbox, sAppFiles[i].name);
btn->prefW = wgtPixels(PM_BTN_W);
btn->prefH = wgtPixels(PM_BTN_H);
btn->userData = &sAppFiles[i];
btn->onDblClick = onAppButtonClick;
btn->onClick = onAppButtonClick;
}
(void)row;
}
// Status bar
WidgetT *statusBar = wgtStatusBar(root);
sStatusLabel = wgtLabel(statusBar, "");
sStatusLabel->weight = 100;
updateStatusText();
dvxFitWindow(sAc, sPmWindow);
}
static void buildTaskManager(void) {
if (sTmWindow) {
// Already open — just raise it
for (int32_t i = 0; i < sAc->stack.count; i++) {
if (sAc->stack.windows[i] == sTmWindow) {
wmRaiseWindow(&sAc->stack, &sAc->dirty, i);
wmSetFocus(&sAc->stack, &sAc->dirty, sAc->stack.count - 1);
break;
}
}
return;
}
int32_t screenW = sAc->display.width;
int32_t screenH = sAc->display.height;
int32_t winW = 300;
int32_t winH = 280;
int32_t winX = (screenW - winW) / 2;
int32_t winY = (screenH - winH) / 3;
sTmWindow = dvxCreateWindow(sAc, "Task Manager", winX, winY, winW, winH, true);
if (!sTmWindow) {
return;
}
sTmWindow->onClose = onTmClose;
WidgetT *root = wgtInitWindow(sAc, sTmWindow);
// List box of running apps
sTmListBox = wgtListBox(root);
sTmListBox->weight = 100;
sTmListBox->prefH = wgtPixels(160);
// Button row
WidgetT *btnRow = wgtHBox(root);
btnRow->align = AlignEndE;
btnRow->spacing = wgtPixels(8);
WidgetT *switchBtn = wgtButton(btnRow, "Switch To");
switchBtn->onClick = onTmSwitchTo;
switchBtn->prefW = wgtPixels(90);
WidgetT *endBtn = wgtButton(btnRow, "End Task");
endBtn->onClick = onTmEndTask;
endBtn->prefW = wgtPixels(90);
refreshTaskList();
dvxFitWindow(sAc, sTmWindow);
}
static void desktopUpdate(void) {
updateStatusText();
if (sTmWindow) {
refreshTaskList();
}
}
static void onAppButtonClick(WidgetT *w) {
AppEntryT *entry = (AppEntryT *)w->userData;
if (!entry) {
return;
}
shellLoadApp(sAc, entry->path);
updateStatusText();
}
static void onPmClose(WindowT *win) {
(void)win;
// Confirm exit
int32_t result = dvxMessageBox(sAc, "Exit Shell", "Are you sure you want to exit DVX Shell?", MB_YESNO | MB_ICONQUESTION);
if (result == ID_YES) {
dvxQuit(sAc);
}
}
static void onPmMenu(WindowT *win, int32_t menuId) {
(void)win;
switch (menuId) {
case CMD_RUN:
{
FileFilterT filters[] = {
{ "Applications (*.app)", "*.app" },
{ "All Files (*.*)", "*.*" }
};
char path[MAX_PATH_LEN];
if (dvxFileDialog(sAc, "Run Application", FD_OPEN, "apps", filters, 2, path, sizeof(path))) {
shellLoadApp(sAc, path);
updateStatusText();
}
}
break;
case CMD_EXIT:
onPmClose(sPmWindow);
break;
case CMD_CASCADE:
dvxCascadeWindows(sAc);
break;
case CMD_TILE:
dvxTileWindows(sAc);
break;
case CMD_TILE_H:
dvxTileWindowsH(sAc);
break;
case CMD_TILE_V:
dvxTileWindowsV(sAc);
break;
case CMD_ABOUT:
showAboutDialog();
break;
case CMD_TASK_MGR:
buildTaskManager();
break;
}
}
static void onTmClose(WindowT *win) {
sTmListBox = NULL;
sTmWindow = NULL;
dvxDestroyWindow(sAc, win);
}
static void onTmEndTask(WidgetT *w) {
(void)w;
if (!sTmListBox) {
return;
}
int32_t sel = wgtListBoxGetSelected(sTmListBox);
if (sel < 0) {
return;
}
// Map list index to app ID (skip our own appId)
int32_t idx = 0;
for (int32_t i = 1; i < SHELL_MAX_APPS; i++) {
if (i == sMyAppId) {
continue;
}
ShellAppT *app = shellGetApp(i);
if (app && app->state == AppStateRunningE) {
if (idx == sel) {
shellForceKillApp(sAc, app);
refreshTaskList();
updateStatusText();
return;
}
idx++;
}
}
}
static void onTmSwitchTo(WidgetT *w) {
(void)w;
if (!sTmListBox) {
return;
}
int32_t sel = wgtListBoxGetSelected(sTmListBox);
if (sel < 0) {
return;
}
// Map list index to app ID (skip our own appId), find topmost window
int32_t idx = 0;
for (int32_t i = 1; i < SHELL_MAX_APPS; i++) {
if (i == sMyAppId) {
continue;
}
ShellAppT *app = shellGetApp(i);
if (app && app->state == AppStateRunningE) {
if (idx == sel) {
// Find the topmost window for this app
for (int32_t j = sAc->stack.count - 1; j >= 0; j--) {
WindowT *win = sAc->stack.windows[j];
if (win->appId == i) {
if (win->minimized) {
wmRestoreMinimized(&sAc->stack, &sAc->dirty, win);
}
wmRaiseWindow(&sAc->stack, &sAc->dirty, j);
wmSetFocus(&sAc->stack, &sAc->dirty, sAc->stack.count - 1);
return;
}
}
return;
}
idx++;
}
}
}
static void refreshTaskList(void) {
if (!sTmListBox) {
return;
}
static const char *items[SHELL_MAX_APPS];
static char names[SHELL_MAX_APPS][SHELL_APP_NAME_MAX + 16];
int32_t count = 0;
for (int32_t i = 1; i < SHELL_MAX_APPS; i++) {
if (i == sMyAppId) {
continue;
}
ShellAppT *app = shellGetApp(i);
if (app && app->state == AppStateRunningE) {
const char *state = app->hasMainLoop ? "task" : "callback";
snprintf(names[count], sizeof(names[count]), "%s [%s]", app->name, state);
items[count] = names[count];
count++;
}
}
wgtListBoxSetItems(sTmListBox, items, count);
}
static void scanAppsDir(void) {
DIR *dir = opendir("apps");
if (!dir) {
shellLog("Progman: apps/ directory not found");
return;
}
sAppCount = 0;
struct dirent *ent;
while ((ent = readdir(dir)) != NULL && sAppCount < MAX_APP_FILES) {
int32_t len = strlen(ent->d_name);
if (len < 5) {
continue;
}
// Check for .app extension (case-insensitive)
const char *ext = ent->d_name + len - 4;
if (strcmp(ext, ".app") != 0 && strcmp(ext, ".APP") != 0) {
continue;
}
// Skip ourselves
if (strcmp(ent->d_name, "progman.app") == 0 || strcmp(ent->d_name, "PROGMAN.APP") == 0) {
continue;
}
AppEntryT *entry = &sAppFiles[sAppCount];
// Name = filename without extension
int32_t nameLen = len - 4;
if (nameLen >= SHELL_APP_NAME_MAX) {
nameLen = SHELL_APP_NAME_MAX - 1;
}
memcpy(entry->name, ent->d_name, nameLen);
entry->name[nameLen] = '\0';
// Capitalize first letter for display
if (entry->name[0] >= 'a' && entry->name[0] <= 'z') {
entry->name[0] -= 32;
}
snprintf(entry->path, sizeof(entry->path), "apps/%s", ent->d_name);
sAppCount++;
}
closedir(dir);
shellLog("Progman: found %ld app(s)", (long)sAppCount);
}
static void showAboutDialog(void) {
dvxMessageBox(sAc, "About DVX Shell",
"DVX Shell 1.0\n\nA DOS Visual eXecutive desktop shell for DJGPP/DPMI. Using DXE3 dynamic loading for application modules.",
MB_OK | MB_ICONINFO);
}
static void updateStatusText(void) {
if (!sStatusLabel) {
return;
}
static char buf[64];
// Subtract 1 to exclude ourselves from the count
int32_t count = shellRunningAppCount() - 1;
if (count < 0) {
count = 0;
}
if (count == 0) {
snprintf(buf, sizeof(buf), "No applications running");
} else if (count == 1) {
snprintf(buf, sizeof(buf), "1 application running");
} else {
snprintf(buf, sizeof(buf), "%ld applications running", (long)count);
}
wgtSetText(sStatusLabel, buf);
}
// ============================================================
// Entry point
// ============================================================
int32_t appMain(DxeAppContextT *ctx) {
sCtx = ctx;
sAc = ctx->shellCtx;
sMyAppId = ctx->appId;
scanAppsDir();
buildPmWindow();
// Register for state change notifications from the shell
shellRegisterDesktopUpdate(desktopUpdate);
return 0;
}

16
dvx/dvxApp.c
View file

@ -528,7 +528,6 @@ static bool dispatchAccelKey(AppContextT *ctx, char key) {
for (WidgetT *c = target->parent->firstChild; c; c = c->nextSibling) {
if (c == target) {
wgtTabControlSetActive(target->parent, tabIdx);
wgtInvalidate(win->widgetRoot);
break;
}
@ -1085,6 +1084,18 @@ WindowT *dvxCreateWindow(AppContextT *ctx, const char *title, int32_t x, int32_t
}
// ============================================================
// dvxCreateWindowCentered
// ============================================================
WindowT *dvxCreateWindowCentered(AppContextT *ctx, const char *title, int32_t w, int32_t h, bool resizable) {
int32_t x = (ctx->display.width - w) / 2;
int32_t y = (ctx->display.height - h) / 2;
return dvxCreateWindow(ctx, title, x, y, w, h, resizable);
}
// ============================================================
// dvxAddAccel
// ============================================================
@ -1235,6 +1246,9 @@ void dvxFitWindow(AppContextT *ctx, WindowT *win) {
// Dirty new position
dirtyListAdd(&ctx->dirty, win->x, win->y, win->w, win->h);
// Invalidate widget tree so it repaints at the new size
wgtInvalidate(win->widgetRoot);
}

3
dvx/dvxApp.h
View file

@ -71,6 +71,9 @@ bool dvxUpdate(AppContextT *ctx);
// Create a window
WindowT *dvxCreateWindow(AppContextT *ctx, const char *title, int32_t x, int32_t y, int32_t w, int32_t h, bool resizable);
// Create a centered window (position computed from screen size)
WindowT *dvxCreateWindowCentered(AppContextT *ctx, const char *title, int32_t w, int32_t h, bool resizable);
// Destroy a window
void dvxDestroyWindow(AppContextT *ctx, WindowT *win);

4
dvx/dvxDialog.c
View file

@ -704,7 +704,6 @@ static void fdLoadDir(void) {
// Update path display
wgtSetText(sFd.pathInput, sFd.curDir);
wgtInvalidate(sFd.fileList);
}
@ -817,7 +816,6 @@ static void fdOnListClick(WidgetT *w) {
if (!sFd.entryIsDir[sel]) {
wgtSetText(sFd.nameInput, sFd.entryNames[sel]);
wgtInvalidatePaint(sFd.nameInput);
}
}
@ -891,7 +889,6 @@ static void fdOnOk(WidgetT *w) {
fdNavigate(dirName);
wgtSetText(sFd.nameInput, "");
wgtInvalidatePaint(sFd.nameInput);
return;
}
@ -910,7 +907,6 @@ static void fdOnOk(WidgetT *w) {
if (stat(testPath, &st) == 0 && S_ISDIR(st.st_mode)) {
fdNavigate(testPath);
wgtSetText(sFd.nameInput, "");
wgtInvalidatePaint(sFd.nameInput);
return;
}

3
dvx/dvxWidget.h
View file

@ -726,6 +726,9 @@ int32_t wgtAnsiTermRepaint(WidgetT *w, int32_t *outY, int32_t *outH);
// Operations
// ============================================================
// Get the AppContextT from any widget (walks to root)
struct AppContextT *wgtGetContext(const WidgetT *w);
// Mark a widget (and ancestors) for relayout and repaint
void wgtInvalidate(WidgetT *w);

2
dvx/widgets/widgetAnsiTerm.c
View file

@ -1377,7 +1377,7 @@ int32_t wgtAnsiTermRepaint(WidgetT *w, int32_t *outY, int32_t *outH) {
return 0;
}
AppContextT *ctx = (AppContextT *)win->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(win->widgetRoot);
if (!ctx) {
return 0;
}

4
dvx/widgets/widgetComboBox.c
View file

@ -72,6 +72,8 @@ void wgtComboBoxSetItems(WidgetT *w, const char **items, int32_t count) {
if (w->as.comboBox.selectedIdx >= count) {
w->as.comboBox.selectedIdx = -1;
}
wgtInvalidate(w);
}
@ -94,6 +96,8 @@ void wgtComboBoxSetSelected(WidgetT *w, int32_t idx) {
w->as.comboBox.selStart = -1;
w->as.comboBox.selEnd = -1;
}
wgtInvalidatePaint(w);
}

3
dvx/widgets/widgetDropdown.c
View file

@ -56,6 +56,8 @@ void wgtDropdownSetItems(WidgetT *w, const char **items, int32_t count) {
if (w->as.dropdown.selectedIdx >= count) {
w->as.dropdown.selectedIdx = -1;
}
wgtInvalidate(w);
}
@ -67,6 +69,7 @@ void wgtDropdownSetSelected(WidgetT *w, int32_t idx) {
VALIDATE_WIDGET_VOID(w, WidgetDropdownE);
w->as.dropdown.selectedIdx = idx;
wgtInvalidatePaint(w);
}

2
dvx/widgets/widgetEvent.c
View file

@ -579,7 +579,7 @@ void widgetOnScroll(WindowT *win, ScrollbarOrientE orient, int32_t value) {
// Dirty the window content area on screen so compositor redraws it
if (win->widgetRoot) {
AppContextT *ctx = (AppContextT *)win->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(win->widgetRoot);
if (ctx) {
dvxInvalidateWindow(ctx, win);

9
dvx/widgets/widgetImage.c
View file

@ -39,13 +39,7 @@ WidgetT *wgtImageFromFile(WidgetT *parent, const char *path) {
}
// Find the AppContextT to get display format
WidgetT *root = parent;
while (root->parent) {
root = root->parent;
}
AppContextT *ctx = (AppContextT *)root->userData;
AppContextT *ctx = wgtGetContext(parent);
if (!ctx) {
return NULL;
@ -107,6 +101,7 @@ void wgtImageSetData(WidgetT *w, uint8_t *data, int32_t imgW, int32_t imgH, int3
w->as.image.imgW = imgW;
w->as.image.imgH = imgH;
w->as.image.imgPitch = pitch;
wgtInvalidate(w);
}

1
dvx/widgets/widgetImageButton.c
View file

@ -40,6 +40,7 @@ void wgtImageButtonSetData(WidgetT *w, uint8_t *data, int32_t imgW, int32_t imgH
w->as.imageButton.imgW = imgW;
w->as.imageButton.imgH = imgH;
w->as.imageButton.imgPitch = pitch;
wgtInvalidate(w);
}

12
dvx/widgets/widgetListBox.c
View file

@ -45,7 +45,7 @@ static void ensureScrollVisible(WidgetT *w, int32_t idx) {
return;
}
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t innerH = w->h - LISTBOX_BORDER * 2;
int32_t visibleRows = innerH / font->charHeight;
@ -128,6 +128,7 @@ void wgtListBoxClearSelection(WidgetT *w) {
}
memset(w->as.listBox.selBits, 0, w->as.listBox.itemCount);
wgtInvalidatePaint(w);
}
@ -171,6 +172,7 @@ void wgtListBoxSelectAll(WidgetT *w) {
}
memset(w->as.listBox.selBits, 1, w->as.listBox.itemCount);
wgtInvalidatePaint(w);
}
@ -186,6 +188,7 @@ void wgtListBoxSetItemSelected(WidgetT *w, int32_t idx, bool selected) {
}
w->as.listBox.selBits[idx] = selected ? 1 : 0;
wgtInvalidatePaint(w);
}
@ -229,6 +232,8 @@ void wgtListBoxSetItems(WidgetT *w, const char **items, int32_t count) {
if (w->as.listBox.selBits && w->as.listBox.selectedIdx >= 0) {
w->as.listBox.selBits[w->as.listBox.selectedIdx] = 1;
}
wgtInvalidate(w);
}
@ -278,6 +283,8 @@ void wgtListBoxSetSelected(WidgetT *w, int32_t idx) {
w->as.listBox.selBits[idx] = 1;
}
}
wgtInvalidatePaint(w);
}
@ -315,7 +322,6 @@ void widgetListBoxOnKey(WidgetT *w, int32_t key, int32_t mod) {
// Ctrl+A — select all (multi-select only)
if (multi && ctrl && (key == 'a' || key == 'A' || key == 1)) {
wgtListBoxSelectAll(w);
wgtInvalidatePaint(w);
return;
}
@ -334,7 +340,7 @@ void widgetListBoxOnKey(WidgetT *w, int32_t key, int32_t mod) {
return;
}
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t visibleRows = (w->h - LISTBOX_BORDER * 2) / font->charHeight;

14
dvx/widgets/widgetListView.c
View file

@ -179,7 +179,7 @@ bool widgetListViewColBorderHit(const WidgetT *w, int32_t vx, int32_t vy) {
return false;
}
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t headerH = font->charHeight + 4;
int32_t headerTop = w->y + LISTVIEW_BORDER;
@ -273,6 +273,7 @@ void wgtListViewClearSelection(WidgetT *w) {
}
memset(w->as.listView->selBits, 0, w->as.listView->rowCount);
wgtInvalidatePaint(w);
}
@ -305,6 +306,7 @@ void wgtListViewSelectAll(WidgetT *w) {
}
memset(w->as.listView->selBits, 1, w->as.listView->rowCount);
wgtInvalidatePaint(w);
}
@ -322,6 +324,7 @@ void wgtListViewSetColumns(WidgetT *w, const ListViewColT *cols, int32_t count)
w->as.listView->cols = cols;
w->as.listView->colCount = count;
w->as.listView->totalColW = 0;
wgtInvalidate(w);
}
@ -361,6 +364,8 @@ void wgtListViewSetData(WidgetT *w, const char **cellData, int32_t rowCount) {
if (w->as.listView->selBits && w->as.listView->selectedIdx >= 0) {
w->as.listView->selBits[w->as.listView->selectedIdx] = 1;
}
wgtInvalidate(w);
}
@ -387,6 +392,7 @@ void wgtListViewSetItemSelected(WidgetT *w, int32_t idx, bool selected) {
}
w->as.listView->selBits[idx] = selected ? 1 : 0;
wgtInvalidatePaint(w);
}
@ -445,6 +451,8 @@ void wgtListViewSetSelected(WidgetT *w, int32_t idx) {
w->as.listView->selBits[idx] = 1;
}
}
wgtInvalidatePaint(w);
}
@ -458,6 +466,7 @@ void wgtListViewSetSort(WidgetT *w, int32_t col, ListViewSortE dir) {
w->as.listView->sortCol = col;
w->as.listView->sortDir = dir;
listViewBuildSortIndex(w);
wgtInvalidatePaint(w);
}
@ -492,7 +501,6 @@ void widgetListViewOnKey(WidgetT *w, int32_t key, int32_t mod) {
// Ctrl+A — select all (multi-select only)
if (multi && ctrl && (key == 'a' || key == 'A' || key == 1)) {
wgtListViewSelectAll(w);
wgtInvalidatePaint(w);
return;
}
@ -530,7 +538,7 @@ void widgetListViewOnKey(WidgetT *w, int32_t key, int32_t mod) {
}
// Compute visible rows for page up/down
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t headerH = font->charHeight + 4;
int32_t innerH = w->h - LISTVIEW_BORDER * 2 - headerH;

22
dvx/widgets/widgetOps.c
View file

@ -216,6 +216,25 @@ void wgtSetName(WidgetT *w, const char *name) {
}
// ============================================================
// wgtGetContext
// ============================================================
AppContextT *wgtGetContext(const WidgetT *w) {
if (!w) {
return NULL;
}
const WidgetT *root = w;
while (root->parent) {
root = root->parent;
}
return (AppContextT *)root->userData;
}
// ============================================================
// wgtGetText
// ============================================================
@ -382,6 +401,8 @@ void wgtSetText(WidgetT *w, const char *text) {
if (w->wclass && w->wclass->setText) {
w->wclass->setText(w, text);
}
wgtInvalidate(w);
}
@ -392,5 +413,6 @@ void wgtSetText(WidgetT *w, const char *text) {
void wgtSetVisible(WidgetT *w, bool visible) {
if (w) {
w->visible = visible;
wgtInvalidate(w);
}
}

1
dvx/widgets/widgetProgressBar.c
View file

@ -64,6 +64,7 @@ void wgtProgressBarSetValue(WidgetT *w, int32_t value) {
}
w->as.progressBar.value = value;
wgtInvalidatePaint(w);
}

2
dvx/widgets/widgetScrollPane.c
View file

@ -314,7 +314,7 @@ void widgetScrollPaneLayout(WidgetT *w, const BitmapFontT *font) {
void widgetScrollPaneOnKey(WidgetT *w, int32_t key, int32_t mod) {
(void)mod;
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t contentMinW;

1
dvx/widgets/widgetSlider.c
View file

@ -49,6 +49,7 @@ void wgtSliderSetValue(WidgetT *w, int32_t value) {
}
w->as.slider.value = value;
wgtInvalidatePaint(w);
}

2
dvx/widgets/widgetSpinner.c
View file

@ -474,6 +474,7 @@ void wgtSpinnerSetRange(WidgetT *w, int32_t minVal, int32_t maxVal) {
w->as.spinner.minValue = minVal;
w->as.spinner.maxValue = maxVal;
spinnerClampAndFormat(w);
wgtInvalidatePaint(w);
}
@ -497,4 +498,5 @@ void wgtSpinnerSetValue(WidgetT *w, int32_t value) {
w->as.spinner.value = value;
spinnerClampAndFormat(w);
wgtInvalidatePaint(w);
}

1
dvx/widgets/widgetSplitter.c
View file

@ -332,4 +332,5 @@ int32_t wgtSplitterGetPos(const WidgetT *w) {
void wgtSplitterSetPos(WidgetT *w, int32_t pos) {
w->as.splitter.dividerPos = pos;
wgtInvalidate(w);
}

1
dvx/widgets/widgetTabControl.c
View file

@ -151,6 +151,7 @@ void wgtTabControlSetActive(WidgetT *w, int32_t idx) {
VALIDATE_WIDGET_VOID(w, WidgetTabControlE);
w->as.tabControl.activeTab = idx;
wgtInvalidate(w);
}

8
dvx/widgets/widgetTextInput.c
View file

@ -200,7 +200,7 @@ void clearOtherSelections(WidgetT *except) {
return;
}
AppContextT *ctx = (AppContextT *)except->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(except);
if (!ctx) {
return;
@ -753,7 +753,7 @@ static void maskedInputOnKey(WidgetT *w, int32_t key, int32_t mod) {
done:
// Adjust scroll
{
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t visibleChars = (w->w - TEXT_INPUT_PAD * 2) / font->charWidth;
@ -962,7 +962,7 @@ void widgetTextAreaOnKey(WidgetT *w, int32_t key, int32_t mod) {
int32_t *pSC = &w->as.textArea.selCursor;
bool shift = (mod & KEY_MOD_SHIFT) != 0;
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t innerW = w->w - TEXTAREA_BORDER * 2 - TEXTAREA_PAD * 2 - TEXTAREA_SB_W;
int32_t visCols = innerW / font->charWidth;
@ -2692,7 +2692,7 @@ void widgetTextEditOnKey(WidgetT *w, int32_t key, int32_t mod, char *buf, int32_
adjustScroll:
// Adjust scroll offset to keep cursor visible
{
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t fieldW = w->w;

6
dvx/widgets/widgetTreeView.c
View file

@ -571,6 +571,7 @@ void wgtTreeItemSetExpanded(WidgetT *w, bool expanded) {
VALIDATE_WIDGET_VOID(w, WidgetTreeItemE);
w->as.treeItem.expanded = expanded;
wgtInvalidate(w);
}
@ -614,6 +615,8 @@ void wgtTreeViewSetSelected(WidgetT *w, WidgetT *item) {
item->as.treeItem.selected = true;
w->as.treeView.anchorItem = item;
}
wgtInvalidatePaint(w);
}
@ -670,6 +673,7 @@ void wgtTreeItemSetSelected(WidgetT *w, bool selected) {
VALIDATE_WIDGET_VOID(w, WidgetTreeItemE);
w->as.treeItem.selected = selected;
wgtInvalidatePaint(w);
}
@ -814,7 +818,7 @@ void widgetTreeViewOnKey(WidgetT *w, int32_t key, int32_t mod) {
sel = w->as.treeView.selectedItem;
if (sel) {
AppContextT *ctx = (AppContextT *)w->window->widgetRoot->userData;
AppContextT *ctx = wgtGetContext(w);
const BitmapFontT *font = &ctx->font;
int32_t itemY = treeItemYPos(w, sel, font);

3
dvxdemo/demo.c
View file

@ -282,7 +282,6 @@ static void onOkClick(WidgetT *w) {
if (status) {
wgtSetText(status, "Button clicked!");
wgtInvalidate(status);
}
}
@ -463,7 +462,6 @@ static void onToolbarClick(WidgetT *w) {
if (status) {
wgtSetText(status, wgtGetText(w));
wgtInvalidate(status);
}
}
@ -1039,7 +1037,6 @@ static void setupTerminalWindow(AppContextT *ctx) {
wgtLabel(sb, "80x25 [Local]");
dvxFitWindow(ctx, win);
wgtInvalidate(root);
dvxMinimizeWindow(ctx, win);
}

4
dvxshell/Makefile
View file

@ -12,7 +12,7 @@ OBJDIR = ../obj/dvxshell
BINDIR = ../bin
LIBDIR = ../lib
SRCS = shellMain.c shellApp.c shellExport.c shellDesktop.c
SRCS = shellMain.c shellApp.c shellExport.c
OBJS = $(patsubst %.c,$(OBJDIR)/%.o,$(SRCS))
TARGET = $(BINDIR)/dvxshell.exe
@ -43,7 +43,5 @@ $(BINDIR):
$(OBJDIR)/shellMain.o: shellMain.c shellApp.h ../dvx/dvxApp.h ../dvx/dvxDialog.h ../tasks/taskswitch.h
$(OBJDIR)/shellApp.o: shellApp.c shellApp.h ../dvx/dvxApp.h ../dvx/dvxDialog.h ../tasks/taskswitch.h
$(OBJDIR)/shellExport.o: shellExport.c shellApp.h ../dvx/dvxApp.h ../dvx/dvxDialog.h ../dvx/dvxWidget.h ../dvx/dvxDraw.h ../dvx/dvxVideo.h ../dvx/dvxWm.h ../tasks/taskswitch.h
$(OBJDIR)/shellDesktop.o: shellDesktop.c shellApp.h ../dvx/dvxApp.h ../dvx/dvxDialog.h ../dvx/dvxWidget.h ../dvx/dvxWm.h
clean:
rm -rf $(OBJDIR) $(TARGET)

18
dvxshell/shellApp.h
View file

@ -106,20 +106,14 @@ void shellLog(const char *fmt, ...);
void shellExportInit(void);
// ============================================================
// Program Manager / Desktop
// Desktop callback
// ============================================================
// Initialize the Program Manager window
void shellDesktopInit(AppContextT *ctx);
// Default desktop app path
#define SHELL_DESKTOP_APP "apps/progman.app"
// Update status bar with running app count
void shellDesktopUpdateStatus(void);
// ============================================================
// Task Manager
// ============================================================
// Open the Task Manager dialog (Ctrl+Esc)
void shellTaskManager(AppContextT *ctx);
// Register a callback for app state changes (load, reap, crash).
// The desktop app calls this during appMain to receive notifications.
void shellRegisterDesktopUpdate(void (*updateFn)(void));
#endif // SHELL_APP_H

4
dvxshell/shellDesktop.c
View file

@ -147,7 +147,6 @@ static void buildPmWindow(void) {
updateStatusText();
dvxFitWindow(sCtx, sPmWindow);
wgtInvalidate(root);
}
@ -202,7 +201,6 @@ static void buildTaskManager(void) {
refreshTaskList();
dvxFitWindow(sCtx, sTmWindow);
wgtInvalidate(root);
}
@ -385,7 +383,6 @@ static void refreshTaskList(void) {
}
wgtListBoxSetItems(sTmListBox, items, count);
wgtInvalidatePaint(sTmListBox);
}
@ -464,7 +461,6 @@ static void updateStatusText(void) {
}
wgtSetText(sStatusLabel, buf);
wgtInvalidate(sStatusLabel);
}
// ============================================================

36
dvxshell/shellExport.c
View file

@ -13,6 +13,7 @@
#include "taskswitch.h"
#include <sys/dxe.h>
#include <dirent.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
@ -25,6 +26,7 @@
static void shellRegisterExports(void);
static WindowT *shellWrapCreateWindow(AppContextT *ctx, const char *title, int32_t x, int32_t y, int32_t w, int32_t h, bool resizable);
static WindowT *shellWrapCreateWindowCentered(AppContextT *ctx, const char *title, int32_t w, int32_t h, bool resizable);
static void shellWrapDestroyWindow(AppContextT *ctx, WindowT *win);
// ============================================================
@ -42,6 +44,21 @@ static WindowT *shellWrapCreateWindow(AppContextT *ctx, const char *title, int32
}
// ============================================================
// Wrapper: dvxCreateWindowCentered — stamps win->appId
// ============================================================
static WindowT *shellWrapCreateWindowCentered(AppContextT *ctx, const char *title, int32_t w, int32_t h, bool resizable) {
WindowT *win = dvxCreateWindowCentered(ctx, title, w, h, resizable);
if (win) {
win->appId = sCurrentAppId;
}
return win;
}
// ============================================================
// Wrapper: dvxDestroyWindow — checks for last-window reap
// ============================================================
@ -90,6 +107,7 @@ DXE_EXPORT_TABLE(shellExportTable)
DXE_EXPORT(dvxInit)
DXE_EXPORT(dvxShutdown)
DXE_EXPORT(dvxUpdate)
{ "_dvxCreateWindowCentered", (void *)shellWrapCreateWindowCentered },
DXE_EXPORT(dvxFitWindow)
DXE_EXPORT(dvxInvalidateRect)
DXE_EXPORT(dvxInvalidateWindow)
@ -287,6 +305,7 @@ DXE_EXPORT_TABLE(shellExportTable)
DXE_EXPORT(wgtGetText)
DXE_EXPORT(wgtSetEnabled)
DXE_EXPORT(wgtSetVisible)
DXE_EXPORT(wgtGetContext)
DXE_EXPORT(wgtSetName)
DXE_EXPORT(wgtFind)
DXE_EXPORT(wgtDestroy)
@ -312,8 +331,18 @@ DXE_EXPORT_TABLE(shellExportTable)
DXE_EXPORT(tsCurrentId)
DXE_EXPORT(tsActiveCount)
// Shell logging
// dvxWm.h — direct window management
DXE_EXPORT(wmRaiseWindow)
DXE_EXPORT(wmSetFocus)
DXE_EXPORT(wmRestoreMinimized)
// Shell API
DXE_EXPORT(shellLog)
DXE_EXPORT(shellLoadApp)
DXE_EXPORT(shellGetApp)
DXE_EXPORT(shellForceKillApp)
DXE_EXPORT(shellRunningAppCount)
DXE_EXPORT(shellRegisterDesktopUpdate)
// libc — memory
DXE_EXPORT(malloc)
@ -364,6 +393,11 @@ DXE_EXPORT_TABLE(shellExportTable)
DXE_EXPORT(time)
DXE_EXPORT(localtime)
// libc — directory
DXE_EXPORT(opendir)
DXE_EXPORT(readdir)
DXE_EXPORT(closedir)
// libc — misc
DXE_EXPORT(qsort)
DXE_EXPORT(rand)

54
dvxshell/shellMain.c
View file

@ -1,8 +1,8 @@
// shellMain.c — DVX Shell entry point and main loop
//
// Initializes the GUI, task system, DXE export table, and Program Manager.
// Runs the cooperative main loop, yielding to app tasks and reaping
// terminated apps each frame.
// Initializes the GUI, task system, DXE export table, and loads
// the desktop app. Runs the cooperative main loop, yielding to
// app tasks and reaping terminated apps each frame.
#include "shellApp.h"
#include "dvxDialog.h"
@ -20,14 +20,16 @@
static AppContextT sCtx;
static jmp_buf sCrashJmp;
static volatile int sCrashSignal = 0;
static FILE *sLogFile = NULL;
static volatile int sCrashSignal = 0;
static FILE *sLogFile = NULL;
static void (*sDesktopUpdateFn)(void) = NULL;
// ============================================================
// Prototypes
// ============================================================
static void crashHandler(int sig);
static void desktopUpdate(void);
static void idleYield(void *ctx);
static void installCrashHandler(void);
static void logCrash(int sig);
@ -47,6 +49,17 @@ static void crashHandler(int sig) {
}
// ============================================================
// desktopUpdate — notify desktop app of state change
// ============================================================
static void desktopUpdate(void) {
if (sDesktopUpdateFn) {
sDesktopUpdateFn();
}
}
// ============================================================
// idleYield — called when no dirty rects need compositing
// ============================================================
@ -136,6 +149,15 @@ void shellLog(const char *fmt, ...) {
}
// ============================================================
// shellRegisterDesktopUpdate
// ============================================================
void shellRegisterDesktopUpdate(void (*updateFn)(void)) {
sDesktopUpdateFn = updateFn;
}
// ============================================================
// main
// ============================================================
@ -182,8 +204,20 @@ int main(void) {
sCtx.idleCallback = idleYield;
sCtx.idleCtx = &sCtx;
// Create the Program Manager window
shellDesktopInit(&sCtx);
// Load the desktop app
int32_t desktopId = shellLoadApp(&sCtx, SHELL_DESKTOP_APP);
if (desktopId < 0) {
shellLog("Failed to load desktop app '%s'", SHELL_DESKTOP_APP);
tsShutdown();
dvxShutdown(&sCtx);
if (sLogFile) {
fclose(sLogFile);
}
return 1;
}
// Install crash handler after everything is initialized
installCrashHandler();
@ -213,7 +247,7 @@ int main(void) {
sCurrentAppId = 0;
sCrashSignal = 0;
shellDesktopUpdateStatus();
desktopUpdate();
}
// Main loop
@ -228,8 +262,8 @@ int main(void) {
// Reap terminated apps
shellReapApps(&sCtx);
// Update status display
shellDesktopUpdateStatus();
// Notify desktop of any state changes
desktopUpdate();
}
shellLog("DVX Shell shutting down...");

1
termdemo/termdemo.c
View file

@ -265,7 +265,6 @@ int main(int argc, char *argv[]) {
// Fit window to widget tree
dvxFitWindow(&ctx, win);
wgtInvalidate(root);
// Poll serial during idle instead of yielding CPU
ctx.idleCallback = idlePoll;