Fix issue which prevents window from downscaling

Replace Fixed-Container by Layout-Container to
disconnects the window size from the content size.
Otherwise the window size can be increased but not
decreased.

src/key-overlay.vala

@@ -37,7 +37,6 @@ namespace NeoLayoutViewer {
 			this._width = this.winMain.get_allocated_width();
 			this._height = this.winMain.get_allocated_height();
 			this.set_size_request(_width, _height);
-			this.set_size(_width, _height);
 
 			this.color_event_boxes = (winMain.config.get("color_event_boxes") == "1");
 
@@ -48,8 +47,11 @@ namespace NeoLayoutViewer {
 
 		private void main_resized(){
 
-			int width = this.winMain.get_allocated_width();
-			int height = this.winMain.get_allocated_height();
+			int width;
+			int height;
+			//width = this.winMain.get_allocated_width();
+			//height = this.winMain.get_allocated_height();
+			this.winMain.get_size(out width, out height);
 
 			if( this._width == width && this._height == height ){
 				return;  // to avoid infinite resize live lock...
@@ -63,11 +65,10 @@ namespace NeoLayoutViewer {
 			this._width = width;
 			this._height = height;
 
-
-			// Propagate new window width/height to this grid. (Redundant?!)
+			// Propagate new window width/height to this grid.
 			this.set_size_request(width, height);
 
-			debug("Move cells");
+			debug("Rescale cells");
 			move_and_scale_cells();
 
 
@@ -80,11 +81,14 @@ namespace NeoLayoutViewer {
 		 */
 		public void generateCells() {
 
+			// Dimensions of unscaled background image
 			double width_unscaled = (double) winMain.get_unscaled_width();
 			double height_unscaled = (double) winMain.get_unscaled_height();
 
 			int width, height;
-			winMain.get_size(out width, out height);
+			// Desirered target size
+			width = this._width;
+			height = this._height;
 
 			double scaleX = width/width_unscaled;
 			double scaleY = height/height_unscaled;

src/neo-window.vala

@@ -258,20 +258,22 @@ namespace NeoLayoutViewer {
 			int win_width = get_image_width_for_monitor(this.monitor_w);
 			int win_height = (backgroundH_unscaled * win_width)/ backgroundW_unscaled;
 
+			//this.set_size_request(1, 1);
 			this.resize(win_width, win_height);
+			this.set_default_size(win_width, win_height);
 
 			image.show();
-			var fixed = new Fixed();
-			fixed.put(this.image, 0, 0);
+			var layout = new Layout();
+			layout.put(this.image, 0, 0);
 
 #if _NO_WIN
 			this.key_overlay = new KeyOverlay(this);
 			this.key_overlay.show();
-			fixed.put(this.key_overlay, 0, 0);
+			layout.put(this.key_overlay, 0, 0);
 #endif
 
-			add(fixed);
-			fixed.show();
+			add(layout);
+			layout.show();
 
 			//Fenstereigenschaften setzen
 			this.key_press_event.connect(on_key_pressed);
@@ -400,7 +402,7 @@ namespace NeoLayoutViewer {
 
 
 			// Check images of layers need to be rescaled
-			if (monitor_rect_dest.width != this.monitor_w && true){
+			if (monitor_rect_dest.width != this.monitor_w) {
 				this.monitor_w = monitor_rect_dest.width;
 
 				int width;
@@ -408,7 +410,8 @@ namespace NeoLayoutViewer {
 				width = get_image_width_for_monitor(this.monitor_w);
 				height = get_unscaled_height() * width / get_unscaled_width();
 
-				this.resize(width, height);
+				//this.resize(width, height);
+				this.set_default_size(width, height);
 			}
 
 			int x, y, w, h;

src/scaling-image.vala

@@ -58,8 +58,11 @@ namespace NeoLayoutViewer {
 		private void main_resized(){
 
 			// Get new window size
-			int win_width2 = this.winMain.get_allocated_width();
-			int win_height2 = this.winMain.get_allocated_height();
+			int win_width2;
+			int win_height2;
+			//win_width2 = this.winMain.get_allocated_width();
+			//win_height2 = this.winMain.get_allocated_height();
+			this.winMain.get_size(out win_width2, out win_height2);
 
 			if (win_width == win_width2 && win_height == win_height2) {
 				//debug(@"(ScalingImage $(this.id)) same width $(win_width)");