Maximize and Restore working.

client/src/gui/wmwindow.c

@@ -18,6 +18,7 @@ static void windowCache(WindowT *w);
 
 
 static void windowCache(WindowT *w) {
+	char      c;
 	int16_t   i;
 	int16_t   x1;
 	int16_t   y1;
@@ -134,8 +135,19 @@ static void windowCache(WindowT *w) {
 		if (w->title) {
 			fontSet(__guiFontVGA8x16);
 			fontColorSet(GUI_WHITE, titleBackgroundColor);
-			// ***TODO*** Does not clip!
+			// How many characters do we have room for?
+			i = ((w->titlebar.x2 - w->titlebar.x) >> 3) - 2;
+			// Does the title fit?
+			if ((int16_t)strlen(w->title) <= i) {
+				// Render entire title.
 				fontRender(w->title, w->titlebar.x + 12, w->titlebar.y + 2);
+			} else {
+				// Render partial title.
+				c = w->title[i];
+				w->title[i] = 0;
+				fontRender(w->title, w->titlebar.x + 12, w->titlebar.y + 2);
+				w->title[i] = c;
+			}
 		}
 		surfaceBoxHighlight(w->titlebar.x, w->titlebar.y, w->titlebar.x2, w->titlebar.y2, GUI_WHITE, GUI_BLACK);
 	} else {
@@ -192,18 +204,10 @@ WindowT *windowCreate(uint16_t x, uint16_t y, uint16_t w, uint16_t h, char *titl
 
 	NEW(WindowT, win);
 
+	memset(win, 0, sizeof(WindowT));
 	guiWidgetBaseSet((WidgetT *)win, __MAGIC_WINDOW,  x, y, w, h);
 	win->title      = strdup(title);
 	win->flags      = (uint8_t)flags;
-	win->close.x    = win->close.y    = win->close.x2    = win->close.y2    = 0;
-	win->titlebar.x = win->titlebar.y = win->titlebar.x2 = win->titlebar.y2 = 0;
-	win->minimize.x = win->minimize.y = win->minimize.x2 = win->minimize.y2 = 0;
-	win->maximize.x = win->maximize.y = win->maximize.x2 = win->maximize.y2 = 0;
-	win->resize1.x  = win->resize1.y  = win->resize1.x2  = win->resize1.y2  = 0;
-	win->resize2.x  = win->resize2.y  = win->resize2.x2  = win->resize2.y2  = 0;
-	win->bounds.x   = win->bounds.y   = win->bounds.x2   = win->bounds.y2   = 0;
-	win->cached     = NULL;
-	win->content    = NULL;
 
 	//***DEBUG*** Hackery to get contents before we have widgets.
 	static uint8_t image = 1;
@@ -337,6 +341,63 @@ void windowFocusSet(WindowT *win) {
 }
 
 
+void windowMaximizeRestore(WindowT *win) {
+	int16_t i;
+
+	// Are we maximized?
+	if (win->flags & WIN_IS_MAX) {
+
+		// Restore to previous size.
+		win->flags &= ~WIN_IS_MAX;
+		win->base.r = win->restore;
+
+	} else {  // Maximized?
+
+		// Maximize window.  Reposition if needed.
+		win->flags |= WIN_IS_MAX;
+
+		// Remember current size and position.
+		win->restore = win->base.r;
+
+		// Expand to full contents.
+		win->base.r.w = (win->base.r.w - (win->bounds.x2 - win->bounds.x) + surfaceWidthGet(win->content));
+		win->base.r.h = (win->base.r.h - (win->bounds.y2 - win->bounds.y) + surfaceHeightGet(win->content));
+
+		// Does this go off the screen to the right?
+		if (win->base.r.x + win->base.r.w >= videoDisplayWidthGet()) {
+			// Can we move it left to fit?
+			i = videoDisplayWidthGet() - (win->base.r.x + win->base.r.w);
+			if (i <= win->base.r.x) {
+				// Yes, go left!
+				win->base.r.x += i;
+			} else {
+				// Nope.  Go all the way left and resize to fit on desktop.
+				win->base.r.x = 0;
+				win->base.r.w = videoDisplayWidthGet();
+			}
+		}
+
+		// Does this go off the screen to the bottom?
+		if (win->base.r.y + win->base.r.h >= videoDisplayHeightGet()) {
+			// Can we move it up to fit?
+			i = videoDisplayHeightGet() - (win->base.r.y + win->base.r.h);
+			if (i <= win->base.r.y) {
+				// Yes, go up!
+				win->base.r.y += i;
+			} else {
+				// Nope.  Go all the way up and resize to fit on desktop.
+				win->base.r.y = 0;
+				win->base.r.h = videoDisplayHeightGet();
+			}
+		}
+
+	}  // Maximized?
+
+	// Update.
+	windowCache(win);
+}
+
+
 void windowMinimize(WindowT *win) {
 	// Minimize.
 	win->flags |= WIN_IS_ICON;
@@ -460,19 +521,26 @@ RegisterT *windowRegister(uint8_t magic) {
 
 
 void windowResizeTo(WindowT *win, uint16_t width, uint16_t height) {
+
 	// Too small?
-	if (width  < 80) width  = 80;
+	if (width  < 95) width  = 95;
 	if (height < 80) height = 80;
 
 	// Too big?
 	if (win->bounds.w - win->bounds.x + (width - win->base.r.w) > surfaceWidthGet(win->content)) width = (win->base.r.w - (win->bounds.x2 - win->bounds.x) + surfaceWidthGet(win->content));
 	if (win->bounds.h - win->bounds.y + (height - win->base.r.h) > surfaceHeightGet(win->content)) height = (win->base.r.h - (win->bounds.y2 - win->bounds.y) + surfaceHeightGet(win->content));
 
+	// Did the size change?
+	if (win->base.r.w != width || win->base.r.h !=height) {
+		// Yes!  If we were maximized, clear it - can't restore after resizing.
+		win->flags &= ~WIN_IS_MAX;
+
 		// Do resize.
 		win->base.r.w = width;
 		win->base.r.h =height;
 		windowCache(win);
 	}
+}
 
 
 void wmShutdown(void) {
@@ -561,7 +629,9 @@ void wmUpdate(EventT *event) {
 				} else { // Dragging.
 
 					if (resizing) {
-
+						// If they try to resize outside the window bounds, cancel it.
+						if (event->x < win->base.r.x || event->y < win->base.r.y) break;
+						// Resize it.
 						windowResizeTo(win, event->x - resizeOffset.x, event->y - resizeOffset.y);
 						break;
 
@@ -607,7 +677,8 @@ void wmUpdate(EventT *event) {
 
 								// Are we inside the maximize button?  Does not include button frame on purpose.
 								if (win->flags & WIN_MAXIMIZE &&event->x < win->maximize.x2 && event->x > win->maximize.x && event->y < win->maximize.y2 && event->y > win->maximize.y) {
-									//***TODO*** Maximize.
+									windowMaximizeRestore(win);
+									break;
 								}
 
 							} else { // On topmost window.

client/src/gui/wmwindow.h

@@ -13,6 +13,7 @@
 #define WIN_SCROLL_V   16
 #define WIN_SCROLL_H   32
 #define WIN_IS_ICON    64
+#define WIN_IS_MAX    128
 
 
 typedef struct WindowS {
@@ -26,6 +27,7 @@ typedef struct WindowS {
 	RectT     resize1;   // First resize area.
 	RectT     resize2;   // Second resize area.
 	RectT     bounds;    // Inside edge of window frame.
+	RectT     restore;   // Size of window if they restore from maximized.
 	SurfaceT *content;   // Actual window contents - widgets and such.
 	SurfaceT *cached;    // Once rendered, keep a cached copy for faster redrawing.
 } WindowT;
@@ -37,6 +39,7 @@ extern uint8_t   __MAGIC_WINDOW;  // Magic ID assigned to us from the GUI.
 WindowT   *windowCreate(uint16_t x, uint16_t y, uint16_t w, uint16_t h, char *title, int flags, ...);
 void       windowDestroy(struct WidgetS *widget, ...);
 void       windowFocusSet(WindowT *win);
+void       windowMaximizeRestore(WindowT *win);
 void       windowMinimize(WindowT *win);
 void       windowMoveTo(WindowT *win, uint16_t x, uint16_t y);
 void       windowPaint(struct WidgetS *widget, ...);