yterm

diff --git a/source/app.c b/source/app.c
index ed4ce6eed5076ca7154a7c24cb3bd014cc3d918b..daaaa27944d23383c19498aec1ab46fe35c0d818 100644
--- a/source/app.c
+++ b/source/app.c
@@ -40,7 +40,15 @@ 	Event e;
 
 	while (Event_Poll(&e)) {
 		switch (e.type) {
-			case EVENT_QUIT: app.running = false; break;
+			case EVENT_QUIT: {
+				app.running = false;
+				break;
+			}
+			case EVENT_WINDOW_RESIZE: {
+				Backend_OnWindowResize();
+				Screen_OnWindowResize();
+				break;
+			}
 			default: {
 				for (size_t i = 0; i < app.tabNum; ++ i) {
 					Pane_HandleEvent(&app.tabs[i], &e);




diff --git a/source/backends/soft.c b/source/backends/soft.c
index 33709c93f12e00e613b13a101abe2c91f93aa7c4..33bc739521d929772494125104b5e4e5ef5254d8 100644
--- a/source/backends/soft.c
+++ b/source/backends/soft.c
@@ -132,7 +132,22 @@ 	return (Vec2) {tex->width, tex->height};
 }
 
 static void OnWindowResize(void) {
-	
+	state.redraw  = true;
+	state.bufferW = video.windows[0].width;
+	state.bufferH = video.windows[0].height;
+	state.buffer  = SafeRealloc(state.buffer, state.bufferW * state.bufferH * sizeof(uint32_t));
+
+	SDL_DestroyTexture(state.texture);
+
+	state.texture = SDL_CreateTexture(
+		state.renderer, SDL_PIXELFORMAT_ABGR8888,
+		SDL_TEXTUREACCESS_STREAMING, video.windows[0].width, video.windows[0].height
+	);
+
+	if (state.texture == NULL) {
+		fprintf(stderr, "Failed to create texture: %s\n", SDL_GetError());
+		exit(1);
+	}
 }
 
 static void FillRect(int x, int y, int w, int h, Colour colour) {




diff --git a/source/buffer.c b/source/buffer.c
index aa15bf3ea745cae39d25998b58710d9636633f17..c4c5ef8954d3fc8441343baec686a1123c153324 100644
--- a/source/buffer.c
+++ b/source/buffer.c
@@ -116,7 +116,13 @@
 			int sx = ix + clip.x;
 			int sy = iy + clip.y;
 
-			*Buffer_Get(dest, x + ix, y + iy) = *Buffer_Get(src, sx, sy);
+			BufCell* out = Buffer_Get(dest, x + ix, y + iy);
+			BufCell* in  = Buffer_Get(src, sx, sy);
+
+			if (!out || !in) continue;
+
+			// *Buffer_Get(dest, x + ix, y + iy) = *Buffer_Get(src, sx, sy);
+			*out = *in;
 		}
 	}
 }
@@ -126,3 +132,25 @@ 	for (int i = 0; i < len; ++ i) {
 		Buffer_Set(buf, x + i, y, cell);
 	}
 }
+
+void Buffer_Resize(Buffer* buf, int w, int h) {
+	BufCell* new = SafeMalloc(w * h * sizeof(BufCell));
+
+	for (int x = 0; x < w; ++ x) {
+		for (int y = 0; y < h; ++ y) {
+			BufCell* old = Buffer_Get(buf, x, y);
+
+			if (!old) {
+				new[(y * w) + x] = BufAttr_BlankCell();
+			}
+			else {
+				new[(y * w) + x] = *old;
+			}
+		}
+	}
+
+	free(buf->buf);
+	buf->buf    = new;
+	buf->width  = w;
+	buf->height = h;
+}




diff --git a/source/buffer.h b/source/buffer.h
index 8e8c32d480e43aa68fa85b1bd19a94bf289b7fd7..488409e0813b2d56df4b25866fd5d55c6a373407 100644
--- a/source/buffer.h
+++ b/source/buffer.h
@@ -51,5 +51,6 @@ void     Buffer_Clear(Buffer* buf);
 void     Buffer_Print(Buffer* buf, int x, int y, BufAttr attr, const char* str);
 void     Buffer_Blit(Buffer* dest, Buffer* src, int x, int y, Rect clip);
 void     Buffer_HLine(Buffer* buf, int x, int y, int len, BufCell cell);
+void     Buffer_Resize(Buffer* buf, int w, int h);
 
 #endif




diff --git a/source/screen.c b/source/screen.c
index 8155d07e2a0200f3bb47530e224741114784de5c..e060db10f102b21d66ea798e5bbfd94aec3ffc33 100644
--- a/source/screen.c
+++ b/source/screen.c
@@ -53,6 +53,18 @@
 	return !Buffer_CellEq(*a, *b);
 }
 
+void Screen_OnWindowResize() {
+	int cw;
+	int ch;
+	Font_CharSize(&screen.font, &cw, &ch);
+
+	int newW = video.windows[0].width  / cw;
+	int newH = video.windows[0].height / ch;
+
+	Buffer_Resize(&screen.buffer, newW, newH);
+	Buffer_Resize(&screen.old,    newW, newH);
+}
+
 void Screen_Render(void) {
 	Backend_Render();
 




diff --git a/source/screen.h b/source/screen.h
index acd3e07ce8a6eb3c06a9e7cc8cc2da351508d8f3..8b4ea2faf4e400bceb000200458df0ef810124a2 100644
--- a/source/screen.h
+++ b/source/screen.h
@@ -16,6 +16,7 @@ void      Screen_Init(void);
 void      Screen_Free(void);
 ColourRGB Screen_GetColour(bool fg, uint8_t mode, BufCol col);
 bool      Screen_CellChanged(int x, int y);
+void      Screen_OnWindowResize();
 void      Screen_Render(void);
 
 #endif