Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2024-12-17 21:56:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added GetKeyPressedAmount() (from Nav branch) to be able to measure fast repeat rate accurately. Added internal CalcTypematicPressedRepeatAmount() function.

Browse Source
This commit is contained in:
omar 2017-08-29 16:13:17 +08:00
parent 1f1e63f705
commit 358e7a194e
3 changed files with 23 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
imgui.cpp
View File

@ -3154,6 +3154,25 @@ bool ImGui::IsKeyDown(int user_key_index)
return GImGui->IO.KeysDown[user_key_index];
}
int ImGui::CalcTypematicPressedRepeatAmount(float t, float t_prev, float repeat_delay, float repeat_rate)
{
if (t == 0.0f)
return 1;
if (t <= repeat_delay || repeat_rate <= 0.0f)
return 0;
const int count = (int)((t - repeat_delay) / repeat_rate) - (int)((t_prev - repeat_delay) / repeat_rate);
return (count > 0) ? count : 0;
}
int ImGui::GetKeyPressedAmount(int key_index, float repeat_delay, float repeat_rate)
{
ImGuiContext& g = *GImGui;
if (key_index < 0) return false;
IM_ASSERT(key_index >= 0 && key_index < IM_ARRAYSIZE(g.IO.KeysDown));
const float t = g.IO.KeysDownDuration[key_index];
return CalcTypematicPressedRepeatAmount(t, t - g.IO.DeltaTime, repeat_delay, repeat_rate);
}
bool ImGui::IsKeyPressed(int user_key_index, bool repeat)
{
ImGuiContext& g = *GImGui;
@ -3162,13 +3181,8 @@ bool ImGui::IsKeyPressed(int user_key_index, bool repeat)
const float t = g.IO.KeysDownDuration[user_key_index];
if (t == 0.0f)
return true;
if (repeat && t > g.IO.KeyRepeatDelay)
{
float delay = g.IO.KeyRepeatDelay, rate = g.IO.KeyRepeatRate;
if ((fmodf(t - delay, rate) > rate*0.5f) != (fmodf(t - delay - g.IO.DeltaTime, rate) > rate*0.5f))
return true;
}
return GetKeyPressedAmount(user_key_index, g.IO.KeyRepeatDelay, g.IO.KeyRepeatRate) > 0;
return false;
}

1
imgui.h
View File

@ -452,6 +452,7 @@ namespace ImGui
IMGUI_API bool IsKeyDown(int user_key_index); // is key being held. == io.KeysDown[user_key_index]. note that imgui doesn't know the semantic of each entry of io.KeyDown[]. Use your own indices/enums according to how your backend/engine stored them into KeyDown[]!
IMGUI_API bool IsKeyPressed(int user_key_index, bool repeat = true); // was key pressed (went from !Down to Down). if repeat=true, uses io.KeyRepeatDelay / KeyRepeatRate
IMGUI_API bool IsKeyReleased(int user_key_index); // was key released (went from Down to !Down)..
IMGUI_API int GetKeyPressedAmount(int key_index, float repeat_delay, float rate); // uses provided repeat rate/delay. return a count, most often 0 or 1 but might be >1 if RepeatRate is small enough that DeltaTime > RepeatRate
IMGUI_API bool IsMouseDown(int button); // is mouse button held
IMGUI_API bool IsMouseClicked(int button, bool repeat = false); // did mouse button clicked (went from !Down to Down)
IMGUI_API bool IsMouseDoubleClicked(int button); // did mouse button double-clicked. a double-click returns false in IsMouseClicked(). uses io.MouseDoubleClickTime.

2
imgui_internal.h
View File

@ -764,6 +764,8 @@ namespace ImGui
IMGUI_API void OpenPopupEx(ImGuiID id, bool reopen_existing);
IMGUI_API bool IsPopupOpen(ImGuiID id);
IMGUI_API int CalcTypematicPressedRepeatAmount(float t, float t_prev, float repeat_delay, float repeat_rate);
// New Columns API
IMGUI_API void BeginColumns(const char* id, int count, ImGuiColumnsFlags flags = 0); // setup number of columns. use an identifier to distinguish multiple column sets. close with EndColumns().
IMGUI_API void EndColumns(); // close columns