适配了鼠标拖动

Augtons · Nov 27, 2023 · 7c27355 · 7c27355
1 parent a7ab9b5
commit 7c27355
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Showing 2 changed files with 23 additions and 8 deletions.
diff --git a/examples/main.cpp b/examples/main.cpp
@@ -15,5 +15,10 @@ int app_main(lv_disp_t *disp) {
     lvglsim_init();
 
     lv_example_keyboard_1();
+
+    auto slider = lv_slider_create(lv_disp_get_scr_act(disp));
+    lv_obj_set_align(slider, LV_ALIGN_TOP_MID);
+    lv_obj_set_pos(slider, 0, 100);
+
     return 0;
 }
diff --git a/src/DisplayDriver.cpp b/src/DisplayDriver.cpp
@@ -165,14 +165,24 @@ void DisplayDriver::mainLoop() {
 
     while (true) {
         while (SDL_PollEvent(&event) != 0) {
-            if (event.type == SDL_QUIT) {
-                return;
-            } else if (event.type == SDL_MOUSEBUTTONDOWN) {
-                int x, y;
-                SDL_GetMouseState(&x, &y);
-                mousePress(x, y);
-            } else if (event.type == SDL_MOUSEBUTTONUP) {
-                mouseRelease();
+            switch (event.type) {
+                case SDL_QUIT: {
+                    return;
+                }
+                case SDL_MOUSEBUTTONUP: {
+                    mouseRelease();
+                    break;
+                }
+                case SDL_MOUSEBUTTONDOWN:
+                case SDL_MOUSEMOTION: {
+                    int x, y;
+                    if (SDL_GetMouseState(&x, &y) & 0x01) {
+                        mousePress(x, y);
+                    } else {
+                        mouseRelease();
+                    }
+                    break;
+                }
             }
         }
     }