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IO: Added SetAppAcceptingEvents() function (#4921, #4858)

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ocornut 2022-06-02 16:55:13 +02:00
parent 17b8c3b6ea
commit 65c4c0a490
3 changed files with 27 additions and 7 deletions
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3
docs/CHANGELOG.txt
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@ -65,6 +65,9 @@ Other Changes:
or interacting with a game/3D view).
- IO: Fixed input queue trickling of mouse wheel events: multiple wheel events are merged, while
a mouse pos followed by a mouse wheel are now trickled. (#4921, #4821)
- IO: Added io.SetAppAcceptingEvents() to set a master flag for accepting key/mouse/characters
events (default to true). Useful if you have native dialog boxes that are interrupting your
application loop/refresh, and you want to disable events being queued while your app is frozen.
- Windows: Fixed first-time windows appearing in negative coordinates from being initialized
with a wrong size. This would most often be noticeable in multi-viewport mode (docking branch)
when spawning a window in a monitor with negative coordinates. (#5215, #3414) [@DimaKoltun]

23
imgui.cpp
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@ -1169,6 +1169,7 @@ ImGuiIO::ImGuiIO()
for (int i = 0; i < IM_ARRAYSIZE(MouseDownDuration); i++) MouseDownDuration[i] = MouseDownDurationPrev[i] = -1.0f;
for (int i = 0; i < IM_ARRAYSIZE(KeysData); i++) { KeysData[i].DownDuration = KeysData[i].DownDurationPrev = -1.0f; }
for (int i = 0; i < IM_ARRAYSIZE(NavInputsDownDuration); i++) NavInputsDownDuration[i] = -1.0f;
AppAcceptingEvents = true;
BackendUsingLegacyKeyArrays = (ImS8)-1;
BackendUsingLegacyNavInputArray = true; // assume using legacy array until proven wrong
}
@ -1181,7 +1182,7 @@ void ImGuiIO::AddInputCharacter(unsigned int c)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(&g.IO == this && "Can only add events to current context.");
if (c == 0)
if (c == 0 || !AppAcceptingEvents)
return;
ImGuiInputEvent e;
@ -1195,7 +1196,7 @@ void ImGuiIO::AddInputCharacter(unsigned int c)
// we should save the high surrogate.
void ImGuiIO::AddInputCharacterUTF16(ImWchar16 c)
{
if (c == 0 && InputQueueSurrogate == 0)
if ((c == 0 && InputQueueSurrogate == 0) || !AppAcceptingEvents)
return;
if ((c & 0xFC00) == 0xD800) // High surrogate, must save
@ -1229,6 +1230,8 @@ void ImGuiIO::AddInputCharacterUTF16(ImWchar16 c)
void ImGuiIO::AddInputCharactersUTF8(const char* utf8_chars)
{
if (!AppAcceptingEvents)
return;
while (*utf8_chars != 0)
{
unsigned int c = 0;
@ -1267,7 +1270,7 @@ void ImGuiIO::ClearInputKeys()
void ImGuiIO::AddKeyAnalogEvent(ImGuiKey key, bool down, float analog_value)
{
//if (e->Down) { IMGUI_DEBUG_LOG("AddKeyEvent() Key='%s' %d, NativeKeycode = %d, NativeScancode = %d\n", ImGui::GetKeyName(e->Key), e->Down, e->NativeKeycode, e->NativeScancode); }
if (key == ImGuiKey_None)
if (key == ImGuiKey_None || !AppAcceptingEvents)
return;
ImGuiContext& g = *GImGui;
IM_ASSERT(&g.IO == this && "Can only add events to current context.");
@ -1308,6 +1311,8 @@ void ImGuiIO::AddKeyAnalogEvent(ImGuiKey key, bool down, float analog_value)
void ImGuiIO::AddKeyEvent(ImGuiKey key, bool down)
{
if (!AppAcceptingEvents)
return;
AddKeyAnalogEvent(key, down, down ? 1.0f : 0.0f);
}
@ -1336,11 +1341,19 @@ void ImGuiIO::SetKeyEventNativeData(ImGuiKey key, int native_keycode, int native
#endif
}
// Set master flag for accepting key/mouse/text events (default to true). Useful if you have native dialog boxes that are interrupting your application loop/refresh, and you want to disable events being queued while your app is frozen.
void ImGuiIO::SetAppAcceptingEvents(bool accepting_events)
{
AppAcceptingEvents = accepting_events;
}
// Queue a mouse move event
void ImGuiIO::AddMousePosEvent(float x, float y)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(&g.IO == this && "Can only add events to current context.");
if (!AppAcceptingEvents)
return;
ImGuiInputEvent e;
e.Type = ImGuiInputEventType_MousePos;
@ -1355,6 +1368,8 @@ void ImGuiIO::AddMouseButtonEvent(int mouse_button, bool down)
ImGuiContext& g = *GImGui;
IM_ASSERT(&g.IO == this && "Can only add events to current context.");
IM_ASSERT(mouse_button >= 0 && mouse_button < ImGuiMouseButton_COUNT);
if (!AppAcceptingEvents)
return;
ImGuiInputEvent e;
e.Type = ImGuiInputEventType_MouseButton;
@ -1369,7 +1384,7 @@ void ImGuiIO::AddMouseWheelEvent(float wheel_x, float wheel_y)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(&g.IO == this && "Can only add events to current context.");
if (wheel_x == 0.0f && wheel_y == 0.0f)
if ((wheel_x == 0.0f && wheel_y == 0.0f) || !AppAcceptingEvents)
return;
ImGuiInputEvent e;

8
imgui.h
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@ -65,7 +65,7 @@ Index of this file:
// Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
#define IMGUI_VERSION "1.88 WIP"
#define IMGUI_VERSION_NUM 18725
#define IMGUI_VERSION_NUM 18726
#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
#define IMGUI_HAS_TABLE
@ -1975,9 +1975,10 @@ struct ImGuiIO
IMGUI_API void AddInputCharacterUTF16(ImWchar16 c); // Queue a new character input from an UTF-16 character, it can be a surrogate
IMGUI_API void AddInputCharactersUTF8(const char* str); // Queue a new characters input from an UTF-8 string
IMGUI_API void SetKeyEventNativeData(ImGuiKey key, int native_keycode, int native_scancode, int native_legacy_index = -1); // [Optional] Specify index for legacy <1.87 IsKeyXXX() functions with native indices + specify native keycode, scancode.
IMGUI_API void SetAppAcceptingEvents(bool accepting_events); // Set master flag for accepting key/mouse/text events (default to true). Useful if you have native dialog boxes that are interrupting your application loop/refresh, and you want to disable events being queued while your app is frozen.
IMGUI_API void ClearInputCharacters(); // [Internal] Clear the text input buffer manually
IMGUI_API void ClearInputKeys(); // [Internal] Release all keys
IMGUI_API void SetKeyEventNativeData(ImGuiKey key, int native_keycode, int native_scancode, int native_legacy_index = -1); // [Optional] Specify index for legacy <1.87 IsKeyXXX() functions with native indices + specify native keycode, scancode.
//------------------------------------------------------------------
// Output - Updated by NewFrame() or EndFrame()/Render()
@ -2044,7 +2045,8 @@ struct ImGuiIO
float NavInputsDownDuration[ImGuiNavInput_COUNT];
float NavInputsDownDurationPrev[ImGuiNavInput_COUNT];
float PenPressure; // Touch/Pen pressure (0.0f to 1.0f, should be >0.0f only when MouseDown[0] == true). Helper storage currently unused by Dear ImGui.
bool AppFocusLost;
bool AppFocusLost; // Only modify via AddFocusEvent()
bool AppAcceptingEvents; // Only modify via SetAppAcceptingEvents()
ImS8 BackendUsingLegacyKeyArrays; // -1: unknown, 0: using AddKeyEvent(), 1: using legacy io.KeysDown[]
bool BackendUsingLegacyNavInputArray; // 0: using AddKeyAnalogEvent(), 1: writing to legacy io.NavInputs[] directly
ImWchar16 InputQueueSurrogate; // For AddInputCharacterUTF16()