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Docking: Honor style.WindowMenuButtonPosition setting in docking node.

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This commit is contained in:
omar 2019-05-24 21:59:00 +02:00
parent afad952450
commit e5dfa0855f
2 changed files with 34 additions and 14 deletions
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46
imgui.cpp
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@ -11125,7 +11125,7 @@ namespace ImGui
static bool DockNodeIsDropAllowed(ImGuiWindow* host_window, ImGuiWindow* payload_window); static bool DockNodeIsDropAllowed(ImGuiWindow* host_window, ImGuiWindow* payload_window);
static void DockNodePreviewDockCalc(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* payload_window, ImGuiDockPreviewData* preview_data, bool is_explicit_target, bool is_outer_docking); static void DockNodePreviewDockCalc(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* payload_window, ImGuiDockPreviewData* preview_data, bool is_explicit_target, bool is_outer_docking);
static void DockNodePreviewDockRender(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* payload_window, const ImGuiDockPreviewData* preview_data); static void DockNodePreviewDockRender(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* payload_window, const ImGuiDockPreviewData* preview_data);
static ImRect DockNodeCalcTabBarRect(const ImGuiDockNode* node); static void DockNodeCalcTabBarLayout(const ImGuiDockNode* node, ImRect* out_title_rect, ImRect* out_tab_bar_rect, ImVec2* out_collapse_button_pos);
static void DockNodeCalcSplitRects(ImVec2& pos_old, ImVec2& size_old, ImVec2& pos_new, ImVec2& size_new, ImGuiDir dir, ImVec2 size_new_desired); static void DockNodeCalcSplitRects(ImVec2& pos_old, ImVec2& size_old, ImVec2& pos_new, ImVec2& size_new, ImGuiDir dir, ImVec2 size_new_desired);
static bool DockNodeCalcDropRectsAndTestMousePos(const ImRect& parent, ImGuiDir dir, ImRect& out_draw, bool outer_docking, ImVec2* test_mouse_pos); static bool DockNodeCalcDropRectsAndTestMousePos(const ImRect& parent, ImGuiDir dir, ImRect& out_draw, bool outer_docking, ImVec2* test_mouse_pos);
static const char* DockNodeGetHostWindowTitle(ImGuiDockNode* node, char* buf, int buf_size) { ImFormatString(buf, buf_size, "##DockNode_%02X", node->ID); return buf; } static const char* DockNodeGetHostWindowTitle(ImGuiDockNode* node, char* buf, int buf_size) { ImFormatString(buf, buf_size, "##DockNode_%02X", node->ID); return buf; }
@ -12322,8 +12322,12 @@ static int IMGUI_CDECL TabItemComparerByDockOrder(const void* lhs, const void* r
static ImGuiID ImGui::DockNodeUpdateTabListMenu(ImGuiDockNode* node, ImGuiTabBar* tab_bar) static ImGuiID ImGui::DockNodeUpdateTabListMenu(ImGuiDockNode* node, ImGuiTabBar* tab_bar)
{ {
// Try to position the menu so it is more likely to stays within the same viewport // Try to position the menu so it is more likely to stays within the same viewport
ImGuiContext& g = *GImGui;
ImGuiID ret_tab_id = 0; ImGuiID ret_tab_id = 0;
SetNextWindowPos(ImVec2(node->Pos.x, node->Pos.y + GetFrameHeight())); if (g.Style.WindowMenuButtonPosition == ImGuiDir_Left)
SetNextWindowPos(ImVec2(node->Pos.x, node->Pos.y + GetFrameHeight()), ImGuiCond_Always, ImVec2(0.0f, 0.0f));
else
SetNextWindowPos(ImVec2(node->Pos.x + node->Size.x, node->Pos.y + GetFrameHeight()), ImGuiCond_Always, ImVec2(1.0f, 0.0f));
if (BeginPopup("#TabListMenu")) if (BeginPopup("#TabListMenu"))
{ {
node->IsFocused = true; node->IsFocused = true;
@ -12419,15 +12423,19 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
is_focused |= node->IsFocused; is_focused |= node->IsFocused;
} }
// Layout
ImRect title_bar_rect, tab_bar_rect;
ImVec2 collapse_button_pos;
DockNodeCalcTabBarLayout(node, &title_bar_rect, &tab_bar_rect, &collapse_button_pos);
// Title bar // Title bar
if (is_focused) if (is_focused)
node->LastFrameFocused = g.FrameCount; node->LastFrameFocused = g.FrameCount;
ImRect title_bar_rect = ImRect(node->Pos, node->Pos + ImVec2(node->Size.x, g.FontSize + style.FramePadding.y * 2.0f));
ImU32 title_bar_col = GetColorU32(host_window->Collapsed ? ImGuiCol_TitleBgCollapsed : is_focused ? ImGuiCol_TitleBgActive : ImGuiCol_TitleBg); ImU32 title_bar_col = GetColorU32(host_window->Collapsed ? ImGuiCol_TitleBgCollapsed : is_focused ? ImGuiCol_TitleBgActive : ImGuiCol_TitleBg);
host_window->DrawList->AddRectFilled(title_bar_rect.Min, title_bar_rect.Max, title_bar_col, host_window->WindowRounding, ImDrawCornerFlags_Top); host_window->DrawList->AddRectFilled(title_bar_rect.Min, title_bar_rect.Max, title_bar_col, host_window->WindowRounding, ImDrawCornerFlags_Top);
// Collapse button // Collapse button
if (CollapseButton(host_window->GetID("#COLLAPSE"), title_bar_rect.Min, node)) if (CollapseButton(host_window->GetID("#COLLAPSE"), collapse_button_pos, node))
OpenPopup("#TabListMenu"); OpenPopup("#TabListMenu");
if (IsItemActive()) if (IsItemActive())
focus_tab_id = tab_bar->SelectedTabId; focus_tab_id = tab_bar->SelectedTabId;
@ -12461,7 +12469,6 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
tab_bar->SelectedTabId = tab_bar->NextSelectedTabId = tab_bar->Tabs.back().Window->ID; tab_bar->SelectedTabId = tab_bar->NextSelectedTabId = tab_bar->Tabs.back().Window->ID;
// Begin tab bar // Begin tab bar
const ImRect tab_bar_rect = DockNodeCalcTabBarRect(node);
ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_Reorderable | ImGuiTabBarFlags_AutoSelectNewTabs; // | ImGuiTabBarFlags_NoTabListScrollingButtons); ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_Reorderable | ImGuiTabBarFlags_AutoSelectNewTabs; // | ImGuiTabBarFlags_NoTabListScrollingButtons);
tab_bar_flags |= ImGuiTabBarFlags_SaveSettings | ImGuiTabBarFlags_DockNode; tab_bar_flags |= ImGuiTabBarFlags_SaveSettings | ImGuiTabBarFlags_DockNode;
if (!host_window->Collapsed && is_focused) if (!host_window->Collapsed && is_focused)
@ -12621,15 +12628,27 @@ static bool ImGui::DockNodeIsDropAllowed(ImGuiWindow* host_window, ImGuiWindow*
return false; return false;
} }
static ImRect ImGui::DockNodeCalcTabBarRect(const ImGuiDockNode* node) // FIXME: This is similar to RenderWindowTitleBarContents, may want to share code.
static void ImGui::DockNodeCalcTabBarLayout(const ImGuiDockNode* node, ImRect* out_title_rect, ImRect* out_tab_bar_rect, ImVec2* out_collapse_button_pos)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImRect r = ImRect(node->Pos.x, node->Pos.y, node->Pos.x + node->Size.x, node->Pos.y + (g.FontSize + g.Style.FramePadding.y * 2.0f)); ImRect r = ImRect(node->Pos.x, node->Pos.y, node->Pos.x + node->Size.x, node->Pos.y + g.FontSize + g.Style.FramePadding.y * 2.0f);
if (node->HasCollapseButton) if (out_title_rect) { *out_title_rect = r; }
r.Min.x += g.Style.FramePadding.x + g.FontSize; // + g.Style.ItemInnerSpacing.x; // <-- Adding ItemInnerSpacing makes the title text moves slightly when in a tab bar. Instead we adjusted RenderArrowDockMenu()
// In DockNodeUpdateTabBar() we currently display a disabled close button even if there is none. ImVec2 collapse_button_pos = r.Min;
r.Max.x -= g.Style.FramePadding.x + g.FontSize + 1.0f; r.Max.x -= g.Style.FramePadding.x + g.FontSize;// +1.0f; // In DockNodeUpdateTabBar() we currently display a disabled close button even if there is none.
return r; if (node->HasCollapseButton && g.Style.WindowMenuButtonPosition == ImGuiDir_Left)
{
r.Min.x += g.Style.FramePadding.x + g.FontSize; // + g.Style.ItemInnerSpacing.x; // <-- Adding ItemInnerSpacing makes the title text moves slightly when in a docking tab bar. Instead we adjusted RenderArrowDockMenu()
}
else if (node->HasCollapseButton && g.Style.WindowMenuButtonPosition == ImGuiDir_Right)
{
r.Min.x += g.Style.FramePadding.x;
r.Max.x -= g.FontSize + g.Style.FramePadding.x;
collapse_button_pos = ImVec2(r.Max.x, r.Min.y);
}
if (out_tab_bar_rect) { *out_tab_bar_rect = r; }
if (out_collapse_button_pos) { *out_collapse_button_pos = collapse_button_pos; }
} }
void ImGui::DockNodeCalcSplitRects(ImVec2& pos_old, ImVec2& size_old, ImVec2& pos_new, ImVec2& size_new, ImGuiDir dir, ImVec2 size_new_desired) void ImGui::DockNodeCalcSplitRects(ImVec2& pos_old, ImVec2& size_old, ImVec2& pos_new, ImVec2& size_new, ImGuiDir dir, ImVec2 size_new_desired)
@ -12832,7 +12851,8 @@ static void ImGui::DockNodePreviewDockRender(ImGuiWindow* host_window, ImGuiDock
if (data->IsDropAllowed && can_preview_tabs && data->SplitDir == ImGuiDir_None && data->IsCenterAvailable) if (data->IsDropAllowed && can_preview_tabs && data->SplitDir == ImGuiDir_None && data->IsCenterAvailable)
{ {
// Compute target tab bar geometry so we can locate our preview tabs // Compute target tab bar geometry so we can locate our preview tabs
ImRect tab_bar_rect = DockNodeCalcTabBarRect(&data->FutureNode); ImRect tab_bar_rect;
DockNodeCalcTabBarLayout(&data->FutureNode, NULL, &tab_bar_rect, NULL);
ImVec2 tab_pos = tab_bar_rect.Min; ImVec2 tab_pos = tab_bar_rect.Min;
if (host_node && host_node->TabBar) if (host_node && host_node->TabBar)
{ {

2
imgui_widgets.cpp
View File

@ -793,7 +793,7 @@ bool ImGui::CollapseButton(ImGuiID id, const ImVec2& pos, ImGuiDockNode* dock_no
} }
else else
{ {
ImVec2 backup_active_click_offset = g.ActiveIdClickOffset; ImVec2 backup_active_click_offset = g.ActiveIdClickOffset + (pos - window->Pos);
StartMouseMovingWindow(window); StartMouseMovingWindow(window);
g.ActiveIdClickOffset = backup_active_click_offset; g.ActiveIdClickOffset = backup_active_click_offset;
} }