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CaptureKeyboardFromApp() / CaptureMouseFromApp(): allow to enforce clearing the capture flag (#533) + demo + made code a little less messy

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ocornut
2016-03-03 00:09:41 +01:00
parent cf12bc7dea
commit d45044fe54
4 changed files with 25 additions and 18 deletions
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23
imgui.cpp
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@ -1990,7 +1990,7 @@ void ImGui::NewFrame()
}
// Are we using inputs? Tell user so they can capture/discard the inputs away from the rest of their application.
// When clicking outside of a window we assume the click is owned by the application and won't request capture.
// When clicking outside of a window we assume the click is owned by the application and won't request capture. We need to track click ownership.
int mouse_earliest_button_down = -1;
bool mouse_any_down = false;
for (int i = 0; i < IM_ARRAYSIZE(g.IO.MouseDown); i++)
@ -2002,16 +2002,19 @@ void ImGui::NewFrame()
if (mouse_earliest_button_down == -1 || g.IO.MouseClickedTime[mouse_earliest_button_down] > g.IO.MouseClickedTime[i])
mouse_earliest_button_down = i;
}
bool mouse_owned_by_application = mouse_earliest_button_down != -1 && !g.IO.MouseDownOwned[mouse_earliest_button_down];
g.IO.WantCaptureMouse = (!mouse_owned_by_application && g.HoveredWindow != NULL) || (!mouse_owned_by_application && mouse_any_down) || (g.ActiveId != 0) || (!g.OpenedPopupStack.empty()) || (g.CaptureMouseNextFrame);
g.IO.WantCaptureKeyboard = (g.ActiveId != 0) || (g.CaptureKeyboardNextFrame);
bool mouse_avail_to_imgui = (mouse_earliest_button_down == -1) || g.IO.MouseDownOwned[mouse_earliest_button_down];
if (g.CaptureMouseNextFrame != -1)
g.IO.WantCaptureMouse = (g.CaptureMouseNextFrame != 0);
else
g.IO.WantCaptureMouse = (mouse_avail_to_imgui && (g.HoveredWindow != NULL || mouse_any_down)) || (g.ActiveId != 0) || (!g.OpenedPopupStack.empty());
g.IO.WantCaptureKeyboard = (g.CaptureKeyboardNextFrame != -1) ? (g.CaptureKeyboardNextFrame != 0) : (g.ActiveId != 0);
g.IO.WantTextInput = (g.ActiveId != 0 && g.InputTextState.Id == g.ActiveId);
g.MouseCursor = ImGuiMouseCursor_Arrow;
g.CaptureMouseNextFrame = g.CaptureKeyboardNextFrame = false;
g.CaptureMouseNextFrame = g.CaptureKeyboardNextFrame = -1;
g.OsImePosRequest = ImVec2(1.0f, 1.0f); // OS Input Method Editor showing on top-left of our window by default
// If mouse was first clicked outside of ImGui bounds we also cancel out hovering.
if (mouse_owned_by_application)
if (!mouse_avail_to_imgui)
g.HoveredWindow = g.HoveredRootWindow = NULL;
// Scale & Scrolling
@ -2990,14 +2993,14 @@ void ImGui::SetMouseCursor(ImGuiMouseCursor cursor_type)
GImGui->MouseCursor = cursor_type;
}
void ImGui::CaptureKeyboardFromApp()
void ImGui::CaptureKeyboardFromApp(bool capture)
{
GImGui->CaptureKeyboardNextFrame = true;
GImGui->CaptureKeyboardNextFrame = capture ? 1 : 0;
}
void ImGui::CaptureMouseFromApp()
void ImGui::CaptureMouseFromApp(bool capture)
{
GImGui->CaptureMouseNextFrame = true;
GImGui->CaptureMouseNextFrame = capture ? 1 : 0;
}
bool ImGui::IsItemHovered()