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Inputs: Mouse: Add support for tracking multiple clicks more than just double (#3229)

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Chris Savoie 2021-06-22 15:00:46 +02:00 committed by ocornut
parent 39b99072fb
commit 2318c764cf
4 changed files with 37 additions and 21 deletions
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30
imgui.cpp
View File

@ -3695,22 +3695,26 @@ static void ImGui::UpdateMouseInputs()
g.IO.MouseReleased[i] = !g.IO.MouseDown[i] && g.IO.MouseDownDuration[i] >= 0.0f;
g.IO.MouseDownDurationPrev[i] = g.IO.MouseDownDuration[i];
g.IO.MouseDownDuration[i] = g.IO.MouseDown[i] ? (g.IO.MouseDownDuration[i] < 0.0f ? 0.0f : g.IO.MouseDownDuration[i] + g.IO.DeltaTime) : -1.0f;
g.IO.MouseDoubleClicked[i] = false;
g.IO.MouseMultiClickCount[i] = 0;
if (g.IO.MouseClicked[i])
{
if ((float)(g.Time - g.IO.MouseClickedTime[i]) < g.IO.MouseDoubleClickTime)
{
ImVec2 delta_from_click_pos = IsMousePosValid(&g.IO.MousePos) ? (g.IO.MousePos - g.IO.MouseClickedPos[i]) : ImVec2(0.0f, 0.0f);
if (ImLengthSqr(delta_from_click_pos) < g.IO.MouseDoubleClickMaxDist * g.IO.MouseDoubleClickMaxDist)
g.IO.MouseDoubleClicked[i] = true;
g.IO.MouseClickedTime[i] = -g.IO.MouseDoubleClickTime * 2.0f; // Mark as "old enough" so the third click isn't turned into a double-click
g.IO.MouseMultiClickTracker[i]++;
else
g.IO.MouseMultiClickTracker[i] = 1;
}
else
{
g.IO.MouseClickedTime[i] = g.Time;
g.IO.MouseMultiClickTracker[i] = 1;
}
g.IO.MouseClickedTime[i] = g.Time;
g.IO.MouseClickedPos[i] = g.IO.MousePos;
g.IO.MouseDownWasDoubleClick[i] = g.IO.MouseDoubleClicked[i];
g.IO.MouseMultiClickCount[i] = g.IO.MouseMultiClickTracker[i];
g.IO.MouseDownMultiClickCount[i] = g.IO.MouseMultiClickTracker[i];
g.IO.MouseDragMaxDistanceAbs[i] = ImVec2(0.0f, 0.0f);
g.IO.MouseDragMaxDistanceSqr[i] = 0.0f;
}
@ -3722,8 +3726,9 @@ static void ImGui::UpdateMouseInputs()
g.IO.MouseDragMaxDistanceAbs[i].x = ImMax(g.IO.MouseDragMaxDistanceAbs[i].x, delta_from_click_pos.x < 0.0f ? -delta_from_click_pos.x : delta_from_click_pos.x);
g.IO.MouseDragMaxDistanceAbs[i].y = ImMax(g.IO.MouseDragMaxDistanceAbs[i].y, delta_from_click_pos.y < 0.0f ? -delta_from_click_pos.y : delta_from_click_pos.y);
}
if (!g.IO.MouseDown[i] && !g.IO.MouseReleased[i])
g.IO.MouseDownWasDoubleClick[i] = false;
g.IO.MouseDownMultiClickCount[i] = 0;
if (g.IO.MouseClicked[i]) // Clicking any mouse button reactivate mouse hovering which may have been deactivated by gamepad/keyboard navigation
g.NavDisableMouseHover = false;
}
@ -4765,7 +4770,14 @@ bool ImGui::IsMouseDoubleClicked(ImGuiMouseButton button)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown));
return g.IO.MouseDoubleClicked[button];
return g.IO.MouseMultiClickCount[button] == 2;
}
bool ImGui::IsMouseTripleClicked(ImGuiMouseButton button)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown));
return g.IO.MouseMultiClickCount[button] == 3;
}
// Return if a mouse click/drag went past the given threshold. Valid to call during the MouseReleased frame.
@ -5445,7 +5457,7 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
if (hovered || held)
g.MouseCursor = (resize_grip_n & 1) ? ImGuiMouseCursor_ResizeNESW : ImGuiMouseCursor_ResizeNWSE;
if (held && g.IO.MouseDoubleClicked[0] && resize_grip_n == 0)
if (held && g.IO.MouseMultiClickCount[0] == 2 && resize_grip_n == 0)
{
// Manual auto-fit when double-clicking
size_target = CalcWindowSizeAfterConstraint(window, size_auto_fit);
@ -5980,7 +5992,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
{
// We don't use a regular button+id to test for double-click on title bar (mostly due to legacy reason, could be fixed), so verify that we don't have items over the title bar.
ImRect title_bar_rect = window->TitleBarRect();
if (g.HoveredWindow == window && g.HoveredId == 0 && g.HoveredIdPreviousFrame == 0 && IsMouseHoveringRect(title_bar_rect.Min, title_bar_rect.Max) && g.IO.MouseDoubleClicked[0])
if (g.HoveredWindow == window && g.HoveredId == 0 && g.HoveredIdPreviousFrame == 0 && IsMouseHoveringRect(title_bar_rect.Min, title_bar_rect.Max) && g.IO.MouseMultiClickCount[0] == 2)
window->WantCollapseToggle = true;
if (window->WantCollapseToggle)
{

6
imgui.h
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@ -900,6 +900,7 @@ namespace ImGui
IMGUI_API bool IsMouseClicked(ImGuiMouseButton button, bool repeat = false); // did mouse button clicked? (went from !Down to Down)
IMGUI_API bool IsMouseReleased(ImGuiMouseButton button); // did mouse button released? (went from Down to !Down)
IMGUI_API bool IsMouseDoubleClicked(ImGuiMouseButton button); // did mouse button double-clicked? (note that a double-click will also report IsMouseClicked() == true)
IMGUI_API bool IsMouseTripleClicked(ImGuiMouseButton button); // did mouse button triple-clicked? (note that a triple-click will also report IsMouseClicked() == true)
IMGUI_API bool IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool clip = true);// is mouse hovering given bounding rect (in screen space). clipped by current clipping settings, but disregarding of other consideration of focus/window ordering/popup-block.
IMGUI_API bool IsMousePosValid(const ImVec2* mouse_pos = NULL); // by convention we use (-FLT_MAX,-FLT_MAX) to denote that there is no mouse available
IMGUI_API bool IsAnyMouseDown(); // is any mouse button held?
@ -1931,11 +1932,12 @@ struct ImGuiIO
ImVec2 MouseClickedPos[5]; // Position at time of clicking
double MouseClickedTime[5]; // Time of last click (used to figure out double-click)
bool MouseClicked[5]; // Mouse button went from !Down to Down
bool MouseDoubleClicked[5]; // Has mouse button been double-clicked?
char MouseMultiClickTracker[5]; // Track multiple clicks over multiple frames
char MouseMultiClickCount[5]; // Has mouse button been clicked multiple times in a row?
bool MouseReleased[5]; // Mouse button went from Down to !Down
bool MouseDownOwned[5]; // Track if button was clicked inside a dear imgui window or over void blocked by a popup. We don't request mouse capture from the application if click started outside ImGui bounds.
bool MouseDownOwnedUnlessPopupClose[5];//Track if button was clicked inside a dear imgui window.
bool MouseDownWasDoubleClick[5]; // Track if button down was a double-click
char MouseDownMultiClickCount[5]; // Track number of mouse down clicks in a row
float MouseDownDuration[5]; // Duration the mouse button has been down (0.0f == just clicked)
float MouseDownDurationPrev[5]; // Previous time the mouse button has been down
ImVec2 MouseDragMaxDistanceAbs[5]; // Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point

10
imgui_demo.cpp
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@ -5518,10 +5518,12 @@ static void ShowDemoWindowMisc()
else
ImGui::Text("Mouse pos: <INVALID>");
ImGui::Text("Mouse delta: (%g, %g)", io.MouseDelta.x, io.MouseDelta.y);
ImGui::Text("Mouse down:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseDown(i)) { ImGui::SameLine(); ImGui::Text("b%d (%.02f secs)", i, io.MouseDownDuration[i]); }
ImGui::Text("Mouse clicked:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseClicked(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); }
ImGui::Text("Mouse dblclick:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseDoubleClicked(i)){ ImGui::SameLine(); ImGui::Text("b%d", i); }
ImGui::Text("Mouse released:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseReleased(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); }
ImGui::Text("Mouse down:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseDown(i)) { ImGui::SameLine(); ImGui::Text("b%d (%.02f secs)", i, io.MouseDownDuration[i]); }
ImGui::Text("Mouse clicked:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseClicked(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); }
ImGui::Text("Mouse dblclick:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseDoubleClicked(i)){ ImGui::SameLine(); ImGui::Text("b%d", i); }
ImGui::Text("Mouse tripleclick:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseTripleClicked(i)){ ImGui::SameLine(); ImGui::Text("b%d", i); }
ImGui::Text("Mouse clickcount:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (io.MouseMultiClickTracker[i]) { ImGui::SameLine(); ImGui::Text("b%d (%d)", i, io.MouseMultiClickTracker[i]); }
ImGui::Text("Mouse released:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseReleased(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); }
ImGui::Text("Mouse wheel: %.1f", io.MouseWheel);
ImGui::Text("Pen Pressure: %.1f", io.PenPressure); // Note: currently unused
ImGui::TreePop();

12
imgui_widgets.cpp
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@ -564,7 +564,7 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
SetFocusID(id, window);
FocusWindow(window);
}
if ((flags & ImGuiButtonFlags_PressedOnClick) || ((flags & ImGuiButtonFlags_PressedOnDoubleClick) && g.IO.MouseDoubleClicked[mouse_button_clicked]))
if ((flags & ImGuiButtonFlags_PressedOnClick) || ((flags & ImGuiButtonFlags_PressedOnDoubleClick) && g.IO.MouseMultiClickCount[mouse_button_clicked] == 2))
{
pressed = true;
if (flags & ImGuiButtonFlags_NoHoldingActiveId)
@ -641,7 +641,7 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
if ((release_in || release_anywhere) && !g.DragDropActive)
{
// Report as pressed when releasing the mouse (this is the most common path)
bool is_double_click_release = (flags & ImGuiButtonFlags_PressedOnDoubleClick) && g.IO.MouseDownWasDoubleClick[mouse_button];
bool is_double_click_release = (flags & ImGuiButtonFlags_PressedOnDoubleClick) && g.IO.MouseDownMultiClickCount[mouse_button] == 2;
bool is_repeating_already = (flags & ImGuiButtonFlags_Repeat) && g.IO.MouseDownDurationPrev[mouse_button] >= g.IO.KeyRepeatDelay; // Repeat mode trumps <on release>
if (!is_double_click_release && !is_repeating_already)
pressed = true;
@ -2409,7 +2409,7 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data,
{
const bool input_requested_by_tabbing = temp_input_allowed && (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_FocusedByTabbing) != 0;
const bool clicked = (hovered && g.IO.MouseClicked[0]);
const bool double_clicked = (hovered && g.IO.MouseDoubleClicked[0]);
const bool double_clicked = (hovered && g.IO.MouseMultiClickCount[0] == 2);
if (input_requested_by_tabbing || clicked || double_clicked || g.NavActivateId == id || g.NavActivateInputId == id)
{
SetActiveID(id, window);
@ -4176,12 +4176,12 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
const float mouse_y = (is_multiline ? (io.MousePos.y - draw_window->DC.CursorPos.y) : (g.FontSize * 0.5f));
const bool is_osx = io.ConfigMacOSXBehaviors;
if (select_all || (hovered && !is_osx && io.MouseDoubleClicked[0]))
if (select_all || (hovered && !is_osx && io.MouseMultiClickCount[0] == 2))
{
state->SelectAll();
state->SelectedAllMouseLock = true;
}
else if (hovered && is_osx && io.MouseDoubleClicked[0])
else if (hovered && is_osx && io.MouseMultiClickCount[0] == 2)
{
// Double-click select a word only, OS X style (by simulating keystrokes)
state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT);
@ -5919,7 +5919,7 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
toggled = true;
if (flags & ImGuiTreeNodeFlags_OpenOnArrow)
toggled |= is_mouse_x_over_arrow && !g.NavDisableMouseHover; // Lightweight equivalent of IsMouseHoveringRect() since ButtonBehavior() already did the job
if ((flags & ImGuiTreeNodeFlags_OpenOnDoubleClick) && g.IO.MouseDoubleClicked[0])
if ((flags & ImGuiTreeNodeFlags_OpenOnDoubleClick) && g.IO.MouseMultiClickCount[0] == 2)
toggled = true;
}
else if (pressed && g.DragDropHoldJustPressedId == id)