commit 5872872

Handle framebuffer resizes

 1@@ -124,5 +124,9 @@ void maus_event_wait(Maus* mw, MausEvent* ev);
 2 /* present the pixelbuffer to the screen */
 3 void maus_present(Maus* mw);
 4 
 5+/* resize window to specified width and height. returns true
 6+   on resize success, else false */
 7+bool maus_resize(Maus* mw, uint32_t width, uint32_t height);
 8+
 9 #endif /* MAUSWIN_H */
10 

 1@@ -278,10 +278,6 @@ static bool handle_event(XEvent* xev, MausEvent* ev, Maus* mw)
 2 			ev->type = MAUS_EV_RESIZE;
 3 			ev->resize.width = xev->xconfigure.width;
 4 			ev->resize.height = xev->xconfigure.height;
 5-
 6-			/* TODO put into maus_resize */
 7-			/* mw->width = xev->xconfigure.width; */
 8-			/* mw->height = xev->xconfigure.height; */
 9 			return true;
10 	}
11 
12@@ -469,3 +465,18 @@ void maus_present(Maus* mw)
13 	XFlush(mw->display);
14 }
15 
16+bool maus_resize(Maus* mw, uint32_t width, uint32_t height)
17+{
18+	if (width == 0 || height == 0 ||
19+	    mw->width == width || mw->height == height)
20+		return false;
21+	fb_destroy(mw);
22+
23+	mw->width = width;
24+	mw->height = height;
25+
26+	XSync(mw->display, False);
27+	XFlush(mw->display);
28+	return fb_create(mw);
29+}
30+

 1@@ -2,7 +2,7 @@
 2 
 3 #include "../../maus.h"
 4 
 5-void handle_ev(MausEvent* ev, Maus* mw)
 6+void handle_ev(Maus* mw, MausEvent* ev)
 7 {
 8 	switch (ev->type) {
 9 		case MAUS_EV_CLOSE:
10@@ -17,8 +17,9 @@ void handle_ev(MausEvent* ev, Maus* mw)
11 			break;
12 		case MAUS_EV_MOUSE_MOTION:
13 			break;
14-		case MAUS_EV_RESIZE:
15-			break;
16+		case MAUS_EV_RESIZE: {
17+			maus_resize(mw, ev->resize.width, ev->resize.height);
18+		}
19 		case MAUS_EV_NONE:
20 			break;
21 	}
22@@ -42,7 +43,7 @@ int main(void)
23 	/* constant polling -- used in games */
24 	for (;;) {
25 		while (maus_event_poll(mw, &ev))
26-			(void) handle_ev(&ev, mw);
27+			(void) handle_ev(mw, &ev);
28 		maus_fb_clear(mw, MAUS_COL_RGBA(255, 255, 255, 255));
29 		maus_present(mw);
30 	}