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Avoid requesting IO.WantCaptureMouse if earlier click/hold was outside of ImGui window

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This commit is contained in:
ocornut 2015-02-03 09:56:19 +00:00
parent 94c7eddb17
commit c6de9502f8
2 changed files with 25 additions and 11 deletions
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19
imgui.cpp
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@ -235,7 +235,6 @@
==================
- misc: merge or clarify ImVec4 / ImGuiAabb, they are essentially duplicate containers
!- i/o: avoid requesting mouse capture if button held and initial click was out of reach for imgui
- window: add horizontal scroll
- window: fix resize grip rendering scaling along with Rounding style setting
- window: autofit feedback loop when user relies on any dynamic layout (window width multiplier, column). maybe just clearly drop manual autofit?
@ -1699,8 +1698,20 @@ void ImGui::NewFrame()
else
g.HoveredRootWindow = FindHoveredWindow(g.IO.MousePos, true);
// Are we using inputs? Tell user so they can capture/discard them.
g.IO.WantCaptureMouse = (g.HoveredWindow != NULL) || (g.ActiveId != 0);
// 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.
// FIXME: For completeness we should completely disregard the mouse when 'mouse_owned_by_application' is set.
int mouse_earliest_button_down = -1;
for (size_t i = 0; i < IM_ARRAYSIZE(g.IO.MouseDown); i++)
{
if (g.IO.MouseClicked[i])
g.IO.MouseDownOwned[i] = (g.HoveredWindow != NULL);
if (g.IO.MouseDown[i])
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) || (g.ActiveId != 0);
g.IO.WantCaptureKeyboard = (g.ActiveId != 0);
// Scale & Scrolling
@ -7715,6 +7726,8 @@ void ImGui::ShowTestWindow(bool* opened)
ImGui::Text("ImGui says hello.");
//ImGui::Text("MousePos (%g, %g)", ImGui::GetIO().MousePos.x, ImGui::GetIO().MousePos.y);
//ImGui::Text("MouseWheel %d", ImGui::GetIO().MouseWheel);
//ImGui::Text("WantCaptureMouse: %d", ImGui::GetIO().WantCaptureMouse);
//ImGui::Text("WantCaptureKeyboard: %d", ImGui::GetIO().WantCaptureKeyboard);
ImGui::Spacing();
if (ImGui::CollapsingHeader("Help"))

17
imgui.h
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@ -566,14 +566,15 @@ struct ImGuiIO
// [Internal] ImGui will maintain those fields for you
//------------------------------------------------------------------
ImVec2 MousePosPrev;
ImVec2 MouseDelta;
bool MouseClicked[5];
ImVec2 MouseClickedPos[5];
float MouseClickedTime[5];
bool MouseDoubleClicked[5];
float MouseDownTime[5];
float KeysDownTime[512];
ImVec2 MousePosPrev; //
ImVec2 MouseDelta; // Mouse delta. Note that this is zero if either current or previous position are negative to allow mouse enabling/disabling.
bool MouseClicked[5]; // Mouse button went from !Down to Down
ImVec2 MouseClickedPos[5]; // Position at time of clicking
float MouseClickedTime[5]; // Time of last click (used to figure out double-click)
bool MouseDoubleClicked[5]; // Has mouse button been double-clicked?
bool MouseDownOwned[5]; // Track if button was clicked inside a window. We don't request mouse capture from the application if click started outside ImGui bounds.
float MouseDownTime[5]; // Time the mouse button has been down
float KeysDownTime[512]; // Time the keyboard key has been down
IMGUI_API ImGuiIO();
};