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Further clarifications of the key indices passed to IsKeyXXX functions (#1159)

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This commit is contained in:
omar
2017-05-27 17:55:48 +02:00
parent 9da53bcecd
commit 62c4698a73
2 changed files with 20 additions and 19 deletions
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31
imgui.cpp
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@ -3148,25 +3148,26 @@ static bool IsKeyPressedMap(ImGuiKey key, bool repeat)
return ImGui::IsKeyPressed(key_index, repeat);
}
int ImGui::GetKeyIndex(ImGuiKey key)
int ImGui::GetKeyIndex(ImGuiKey imgui_key)
{
IM_ASSERT(key >= 0 && key < ImGuiKey_COUNT);
return GImGui->IO.KeyMap[key];
IM_ASSERT(imgui_key >= 0 && imgui_key < ImGuiKey_COUNT);
return GImGui->IO.KeyMap[imgui_key];
}
bool ImGui::IsKeyDown(int 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[]!
bool ImGui::IsKeyDown(int user_key_index)
{
if (key_index < 0) return false;
IM_ASSERT(key_index >= 0 && key_index < IM_ARRAYSIZE(GImGui->IO.KeysDown));
return GImGui->IO.KeysDown[key_index];
if (user_key_index < 0) return false;
IM_ASSERT(user_key_index >= 0 && user_key_index < IM_ARRAYSIZE(GImGui->IO.KeysDown));
return GImGui->IO.KeysDown[user_key_index];
}
bool ImGui::IsKeyPressed(int key_index, bool repeat)
bool ImGui::IsKeyPressed(int user_key_index, bool repeat)
{
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];
if (user_key_index < 0) return false;
IM_ASSERT(user_key_index >= 0 && user_key_index < IM_ARRAYSIZE(g.IO.KeysDown));
const float t = g.IO.KeysDownDuration[user_key_index];
if (t == 0.0f)
return true;
@ -3179,12 +3180,12 @@ bool ImGui::IsKeyPressed(int key_index, bool repeat)
return false;
}
bool ImGui::IsKeyReleased(int key_index)
bool ImGui::IsKeyReleased(int user_key_index)
{
ImGuiContext& g = *GImGui;
if (key_index < 0) return false;
IM_ASSERT(key_index >= 0 && key_index < IM_ARRAYSIZE(g.IO.KeysDown));
if (g.IO.KeysDownDurationPrev[key_index] >= 0.0f && !g.IO.KeysDown[key_index])
if (user_key_index < 0) return false;
IM_ASSERT(user_key_index >= 0 && user_key_index < IM_ARRAYSIZE(g.IO.KeysDown));
if (g.IO.KeysDownDurationPrev[user_key_index] >= 0.0f && !g.IO.KeysDown[user_key_index])
return true;
return false;
}