EngineDev/imgui-mirror
1
0
Fork 0
mirror of https://github.com/ocornut/imgui.git synced 2026-11-06 06:25:54 +01:00
Code Issues Packages Projects Releases Wiki Activity

Backends: Emscripten: Match Dear ImGui C cast style

Browse Source
This commit is contained in:
SlowRiot 2026-09-03 14:11:19 +01:00
parent a941ea2cbb
commit 9fc439dd6f
1 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
backends/imgui_impl_emscripten.cpp
View File

@ -120,7 +120,7 @@ float get_target_device_pixel_ratio()
void update_display_properties(ImGuiIO& io, ImGui_ImplEmscripten_Data* bd, float css_width, float css_height)
{
float const target_device_pixel_ratio = get_target_device_pixel_ratio();
float const css_to_imgui_scale = static_cast<float>(emscripten_get_device_pixel_ratio()) / target_device_pixel_ratio;
float const css_to_imgui_scale = (float)emscripten_get_device_pixel_ratio() / target_device_pixel_ratio;
bd->CssToImGuiScale = css_to_imgui_scale;
io.DisplaySize.x = css_width * css_to_imgui_scale;
io.DisplaySize.y = css_height * css_to_imgui_scale;
@ -130,7 +130,7 @@ void update_display_properties(ImGuiIO& io, ImGui_ImplEmscripten_Data* bd, float
// Backend data stored in io.BackendPlatformUserData to allow support for multiple Dear ImGui contexts
ImGui_ImplEmscripten_Data* ImGui_ImplEmscripten_GetBackendData()
{
return ImGui::GetCurrentContext() ? static_cast<ImGui_ImplEmscripten_Data*>(ImGui::GetIO().BackendPlatformUserData) : nullptr;
return ImGui::GetCurrentContext() ? (ImGui_ImplEmscripten_Data*)ImGui::GetIO().BackendPlatformUserData : nullptr;
}
} // anonymous namespace
@ -142,7 +142,7 @@ void ImGui_ImplEmscripten_Init()
IMGUI_CHECKVERSION();
IM_ASSERT(io.BackendPlatformUserData == nullptr && "Already initialized a platform backend!");
ImGui_ImplEmscripten_Data* bd = IM_NEW(ImGui_ImplEmscripten_Data)();
io.BackendPlatformUserData = static_cast<void*>(bd);
io.BackendPlatformUserData = (void*)bd;
io.BackendPlatformName = "imgui_impl_emscripten";
io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors;
@ -150,8 +150,8 @@ void ImGui_ImplEmscripten_Init()
update_display_properties(
io,
bd,
static_cast<float>(EM_ASM_INT(return window.innerWidth;)),
static_cast<float>(EM_ASM_INT(return window.innerHeight;))
(float)EM_ASM_INT(return window.innerWidth;),
(float)EM_ASM_INT(return window.innerHeight;)
);
emscripten_set_mousemove_callback(
@ -162,8 +162,8 @@ void ImGui_ImplEmscripten_Init()
ImGui_ImplEmscripten_Data* bd = ImGui_ImplEmscripten_GetBackendData();
float const css_to_imgui_scale = bd ? bd->CssToImGuiScale : 1.0f;
ImGui::GetIO().AddMousePosEvent(
static_cast<float>(mouse_event->clientX) * css_to_imgui_scale,
static_cast<float>(mouse_event->clientY) * css_to_imgui_scale
(float)mouse_event->clientX * css_to_imgui_scale,
(float)mouse_event->clientY * css_to_imgui_scale
);
return true; // the event was consumed
}
@ -194,8 +194,8 @@ void ImGui_ImplEmscripten_Init()
ImGui_ImplEmscripten_Data* bd = ImGui_ImplEmscripten_GetBackendData();
float const css_to_imgui_scale = bd ? bd->CssToImGuiScale : 1.0f;
ImGui::GetIO().AddMousePosEvent(
static_cast<float>(mouse_event->clientX) * css_to_imgui_scale,
static_cast<float>(mouse_event->clientY) * css_to_imgui_scale
(float)mouse_event->clientX * css_to_imgui_scale,
(float)mouse_event->clientY * css_to_imgui_scale
);
return true; // the event was consumed
}
@ -232,8 +232,8 @@ void ImGui_ImplEmscripten_Init()
// TODO: make scrolling speeds configurable
ImGuiIO& io = ImGui::GetIO();
io.AddMouseWheelEvent(
-static_cast<float>(wheel_event->deltaX) * scale,
-static_cast<float>(wheel_event->deltaY) * scale
-(float)wheel_event->deltaX * scale,
-(float)wheel_event->deltaY * scale
);
return io.WantCaptureMouse; // consume the event when imgui wants to capture mouse input
}
@ -325,7 +325,7 @@ void ImGui_ImplEmscripten_Init()
[](int /*event_type*/, EmscriptenUiEvent const* event, void* /*data*/) { // event_type == EMSCRIPTEN_EVENT_RESIZE
ImGuiIO& io = ImGui::GetIO();
ImGui_ImplEmscripten_Data* bd = ImGui_ImplEmscripten_GetBackendData();
if (bd != nullptr) update_display_properties(io, bd, static_cast<float>(event->windowInnerWidth), static_cast<float>(event->windowInnerHeight));
if (bd != nullptr) update_display_properties(io, bd, (float)event->windowInnerWidth, (float)event->windowInnerHeight);
return true; // the event was consumed
}
);
@ -524,9 +524,9 @@ namespace emscripten_browser_cursor_internal
char* get_string()
{
// Return the current cursor setting as a newly-allocated string, caller must free it.
return reinterpret_cast<char*>(EM_ASM_PTR(
return (char*)EM_ASM_PTR(
return stringToNewUTF8(document.body.style.cursor);
));
);
}
void set(cursor new_cursor)
@ -811,7 +811,7 @@ ImGuiKey translate_key(char const* emscripten_key)
if (emscripten_key == nullptr || emscripten_key[0] == '\0') return ImGuiKey_None;
ImGuiStorage const& storage = get_key_translation_storage();
return static_cast<ImGuiKey>(storage.GetInt(ImHashStr(emscripten_key), ImGuiKey_None));
return (ImGuiKey)storage.GetInt(ImHashStr(emscripten_key), ImGuiKey_None);
}
} // anonymous namespace