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Refactor to move the responsability of SetHovered() to ItemHoverable() - previously IsHovered(). Simpler and the parallel to ItemAdd is clearer with the new name.

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This commit is contained in:
omar 2017-09-28 00:21:47 +02:00
parent 2159629e9e
commit fafe65a8fc
2 changed files with 16 additions and 27 deletions
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41
imgui.cpp
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@ -1961,7 +1961,7 @@ bool ImGui::ItemAdd(const ImRect& bb, const ImGuiID* id)
return true; return true;
} }
// This is roughly matching the behavior of internal-facing IsHovered() // This is roughly matching the behavior of internal-facing ItemHoverable() which is
// - we allow hovering to be true when ActiveId==window->MoveID, so that clicking on non-interactive items such as a Text() item still returns true with IsItemHovered()) // - we allow hovering to be true when ActiveId==window->MoveID, so that clicking on non-interactive items such as a Text() item still returns true with IsItemHovered())
bool ImGui::IsItemHovered() bool ImGui::IsItemHovered()
{ {
@ -1985,8 +1985,8 @@ bool ImGui::IsItemRectHovered()
return IsMouseHoveringRect(window->DC.LastItemRect.Min, window->DC.LastItemRect.Max); return IsMouseHoveringRect(window->DC.LastItemRect.Min, window->DC.LastItemRect.Max);
} }
// Internal facing IsHovered() differs slightly from IsItemHovered(). // Internal facing ItemHoverable() used when submitting widgets. Differs slightly from IsItemHovered().
bool ImGui::IsHovered(const ImRect& bb, ImGuiID id) bool ImGui::ItemHoverable(const ImRect& bb, ImGuiID id)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
if (g.HoveredId != 0 && g.HoveredId != id && !g.HoveredIdAllowOverlap) if (g.HoveredId != 0 && g.HoveredId != id && !g.HoveredIdAllowOverlap)
@ -2001,6 +2001,8 @@ bool ImGui::IsHovered(const ImRect& bb, ImGuiID id)
return false; return false;
if (!IsWindowContentHoverable(window)) if (!IsWindowContentHoverable(window))
return false; return false;
SetHoveredID(id);
return true; return true;
} }
@ -5683,14 +5685,13 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
g.HoveredWindow = window; g.HoveredWindow = window;
bool pressed = false; bool pressed = false;
bool hovered = IsHovered(bb, id); bool hovered = ItemHoverable(bb, id);
if ((flags & ImGuiButtonFlags_FlattenChilds) && g.HoveredRootWindow == window) if ((flags & ImGuiButtonFlags_FlattenChilds) && g.HoveredRootWindow == window)
g.HoveredWindow = backup_hovered_window; g.HoveredWindow = backup_hovered_window;
if (hovered) if (hovered)
{ {
SetHoveredID(id);
if (!(flags & ImGuiButtonFlags_NoKeyModifiers) || (!g.IO.KeyCtrl && !g.IO.KeyShift && !g.IO.KeyAlt)) if (!(flags & ImGuiButtonFlags_NoKeyModifiers) || (!g.IO.KeyCtrl && !g.IO.KeyShift && !g.IO.KeyAlt))
{ {
// | CLICKING | HOLDING with ImGuiButtonFlags_Repeat // | CLICKING | HOLDING with ImGuiButtonFlags_Repeat
@ -6757,10 +6758,7 @@ bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, c
ItemSize(total_bb, style.FramePadding.y); ItemSize(total_bb, style.FramePadding.y);
return false; return false;
} }
const bool hovered = ItemHoverable(frame_bb, id);
const bool hovered = IsHovered(frame_bb, id);
if (hovered)
SetHoveredID(id);
if (!display_format) if (!display_format)
display_format = "%.3f"; display_format = "%.3f";
@ -6814,10 +6812,7 @@ bool ImGui::VSliderFloat(const char* label, const ImVec2& size, float* v, float
ItemSize(bb, style.FramePadding.y); ItemSize(bb, style.FramePadding.y);
if (!ItemAdd(frame_bb, &id)) if (!ItemAdd(frame_bb, &id))
return false; return false;
const bool hovered = ItemHoverable(frame_bb, id);
const bool hovered = IsHovered(frame_bb, id);
if (hovered)
SetHoveredID(id);
if (!display_format) if (!display_format)
display_format = "%.3f"; display_format = "%.3f";
@ -7057,10 +7052,7 @@ bool ImGui::DragFloat(const char* label, float* v, float v_speed, float v_min, f
ItemSize(total_bb, style.FramePadding.y); ItemSize(total_bb, style.FramePadding.y);
return false; return false;
} }
const bool hovered = ItemHoverable(frame_bb, id);
const bool hovered = IsHovered(frame_bb, id);
if (hovered)
SetHoveredID(id);
if (!display_format) if (!display_format)
display_format = "%.3f"; display_format = "%.3f";
@ -7263,6 +7255,7 @@ void ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_ge
ItemSize(total_bb, style.FramePadding.y); ItemSize(total_bb, style.FramePadding.y);
if (!ItemAdd(total_bb, NULL)) if (!ItemAdd(total_bb, NULL))
return; return;
const bool hovered = ItemHoverable(inner_bb, 0);
// Determine scale from values if not specified // Determine scale from values if not specified
if (scale_min == FLT_MAX || scale_max == FLT_MAX) if (scale_min == FLT_MAX || scale_max == FLT_MAX)
@ -7290,7 +7283,7 @@ void ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_ge
// Tooltip on hover // Tooltip on hover
int v_hovered = -1; int v_hovered = -1;
if (IsHovered(inner_bb, 0)) if (hovered)
{ {
const float t = ImClamp((g.IO.MousePos.x - inner_bb.Min.x) / (inner_bb.Max.x - inner_bb.Min.x), 0.0f, 0.9999f); const float t = ImClamp((g.IO.MousePos.x - inner_bb.Min.x) / (inner_bb.Max.x - inner_bb.Min.x), 0.0f, 0.9999f);
const int v_idx = (int)(t * item_count); const int v_idx = (int)(t * item_count);
@ -7851,6 +7844,9 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
if (!ItemAdd(total_bb, &id)) if (!ItemAdd(total_bb, &id))
return false; return false;
} }
const bool hovered = ItemHoverable(frame_bb, id);
if (hovered)
g.MouseCursor = ImGuiMouseCursor_TextInput;
// Password pushes a temporary font with only a fallback glyph // Password pushes a temporary font with only a fallback glyph
if (is_password) if (is_password)
@ -7876,12 +7872,6 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
const bool focus_requested_by_code = focus_requested && (window->FocusIdxAllCounter == window->FocusIdxAllRequestCurrent); const bool focus_requested_by_code = focus_requested && (window->FocusIdxAllCounter == window->FocusIdxAllRequestCurrent);
const bool focus_requested_by_tab = focus_requested && !focus_requested_by_code; const bool focus_requested_by_tab = focus_requested && !focus_requested_by_code;
const bool hovered = IsHovered(frame_bb, id);
if (hovered)
{
SetHoveredID(id);
g.MouseCursor = ImGuiMouseCursor_TextInput;
}
const bool user_clicked = hovered && io.MouseClicked[0]; const bool user_clicked = hovered && io.MouseClicked[0];
const bool user_scrolled = is_multiline && g.ActiveId == 0 && edit_state.Id == id && g.ActiveIdPreviousFrame == draw_window->GetIDNoKeepAlive("#SCROLLY"); const bool user_scrolled = is_multiline && g.ActiveId == 0 && edit_state.Id == id && g.ActiveIdPreviousFrame == draw_window->GetIDNoKeepAlive("#SCROLLY");
@ -9073,8 +9063,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
if (!enabled) PopStyleColor(); if (!enabled) PopStyleColor();
} }
bool hovered = enabled && IsHovered(window->DC.LastItemRect, id); const bool hovered = enabled && ItemHoverable(window->DC.LastItemRect, id);
if (menuset_is_open) if (menuset_is_open)
g.NavWindow = backed_nav_window; g.NavWindow = backed_nav_window;

2
imgui_internal.h
View File

@ -771,7 +771,7 @@ namespace ImGui
IMGUI_API void ItemSize(const ImRect& bb, float text_offset_y = 0.0f); IMGUI_API void ItemSize(const ImRect& bb, float text_offset_y = 0.0f);
IMGUI_API bool ItemAdd(const ImRect& bb, const ImGuiID* id); IMGUI_API bool ItemAdd(const ImRect& bb, const ImGuiID* id);
IMGUI_API bool IsClippedEx(const ImRect& bb, const ImGuiID* id, bool clip_even_when_logged); IMGUI_API bool IsClippedEx(const ImRect& bb, const ImGuiID* id, bool clip_even_when_logged);
IMGUI_API bool IsHovered(const ImRect& bb, ImGuiID id); IMGUI_API bool ItemHoverable(const ImRect& bb, ImGuiID id);
IMGUI_API bool FocusableItemRegister(ImGuiWindow* window, ImGuiID id, bool tab_stop = true); // Return true if focus is requested IMGUI_API bool FocusableItemRegister(ImGuiWindow* window, ImGuiID id, bool tab_stop = true); // Return true if focus is requested
IMGUI_API void FocusableItemUnregister(ImGuiWindow* window); IMGUI_API void FocusableItemUnregister(ImGuiWindow* window);
IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_x, float default_y); IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_x, float default_y);