drawing: add cursor states on PC, set texture width/height on cache load

Makefile

@@ -52,7 +52,7 @@ SOURCES += $(CHESTO_DIR)/libs/SDL_FontCache
 VPATH   += $(CHESTO_DIR)/libs/SDL_FontCache
 
 CFLAGS	  += $(INCLUDE) -DAPP_VERSION=\"$(APP_VERSION)\" -frandom-seed=84248
-CXXFLAGS  += $(CFLAGS) -fno-exceptions -std=gnu++20
+CXXFLAGS  += $(CFLAGS) -fexceptions -std=gnu++20
 ASFLAGS   += -g $(ARCH)
 
 export TOPDIR := $(CURDIR)

src/DrawUtils.cpp

@@ -269,6 +269,26 @@ void CST_LowRumble(InputEvents* event, int ms)
 	}
 }
 
+void CST_SetCursor(int cursor)
+{
+	if (cursor == CST_CURSOR_NONE) {
+		SDL_ShowCursor(SDL_DISABLE);
+		return;
+	}
+
+	SDL_ShowCursor(SDL_ENABLE);
+	auto sdlCursor = SDL_SYSTEM_CURSOR_ARROW;
+	if (cursor == CST_CURSOR_HAND) {
+		sdlCursor = SDL_SYSTEM_CURSOR_HAND;
+	} else if (cursor == CST_CURSOR_TEXT) {
+		sdlCursor = SDL_SYSTEM_CURSOR_IBEAM;
+	} else if (cursor == CST_CURSOR_SPINNER) {
+		sdlCursor = SDL_SYSTEM_CURSOR_WAIT;
+	}
+
+	SDL_SetCursor(SDL_CreateSystemCursor(sdlCursor));
+}
+
 bool CST_isRectOffscreen(CST_Rect* rect)
 {
 	// if this element will be offscreen, don't try to render it

src/DrawUtils.hpp

@@ -29,6 +29,12 @@ typedef SDL_Rect CST_Rect;
 class RootDisplay;
 class InputEvents;
 
+#define CST_CURSOR_NONE -1
+#define CST_CURSOR_ARROW 0
+#define CST_CURSOR_HAND 1
+#define CST_CURSOR_TEXT 2
+#define CST_CURSOR_SPINNER 3
+
 // init / rendering analogues
 bool CST_DrawInit(RootDisplay* root);
 void CST_MixerInit(RootDisplay* root);
@@ -79,6 +85,7 @@ void CST_GetRGBA(Uint32 pixel, SDL_PixelFormat* format, CST_Color* cstColor);
 bool CST_SavePNG(CST_Texture* texture, const char* filename);
 void CST_SetWindowTitle(const char* title);
 
+void CST_SetCursor(int cursor);
 void CST_LowRumble(InputEvents* event, int ms);
 
 #ifdef MUSIC

src/Element.cpp

@@ -208,9 +208,21 @@ bool Element::onTouchDrag(InputEvents* event)
 
 			// play a hover sound and vibrate
 			CST_LowRumble(event, 200);
+
+			// change the cursor to a hand
+			CST_SetCursor(CST_CURSOR_HAND);
 		} else {
+			auto initialElasticCounter = this->elasticCounter;
+
 			// we're in a drag event, but not for this element
 			this->elasticCounter = NO_HIGHLIGHT;
+
+			if (initialElasticCounter != NO_HIGHLIGHT) {
+				// change the cursor back to the arrow
+				CST_SetCursor(CST_CURSOR_ARROW);
+				ret |= true;
+			}
+
 		}
 	}
 

src/NetImageElement.cpp

@@ -6,6 +6,11 @@ NetImageElement::NetImageElement(const char *url, std::function<Texture *(void)>
 	// printf("Key: %s\n", key.c_str());
 	if (loadFromCache(key)) {
 		loaded = true;
+
+		// if we're using the cache, we can update the size now
+		// printf("The size of the image is %d x %d\n", texW, texH);
+		width = texW;
+		height = texH;
 	}
 	else {
 		// setup a temporary image fallback