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WIP Menus: Layout in menu-bar more standard, allows mixing different widgets in menubar. (#126)

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Still some minor spacing bugs.
This commit is contained in:
ocornut 2015-05-25 23:08:22 +01:00
parent 83cb040d20
commit bb8cdcb916
1 changed files with 31 additions and 12 deletions
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39
imgui.cpp
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@ -501,6 +501,7 @@ struct ImGuiTextEditState;
struct ImGuiIniData;
struct ImGuiState;
struct ImGuiWindow;
typedef int ImGuiLayoutType; // enum ImGuiLayoutType_
typedef int ImGuiButtonFlags; // enum ImGuiButtonFlags_
static bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, bool allow_key_modifiers, ImGuiButtonFlags flags = 0);
@ -944,6 +945,12 @@ static bool ImLoadFileToMemory(const char* filename, const char* file_open_mode,
//-----------------------------------------------------------------------------
enum ImGuiLayoutType_
{
ImGuiLayoutType_Vertical,
ImGuiLayoutType_Horizontal
};
enum ImGuiButtonFlags_
{
ImGuiButtonFlags_Repeat = (1 << 0),
@ -1012,6 +1019,7 @@ struct ImGuiGroupData
float BackupCurrentLineHeight;
float BackupCurrentLineTextBaseOffset;
float BackupLogLinePosY;
bool AdvanceCursor;
};
// Simple column measurement currently used for menu items. This is very short-sighted for now.
@ -1075,6 +1083,7 @@ struct ImGuiDrawContext
bool MenuBarAppending;
float MenuBarOffsetX;
ImVector<ImGuiWindow*> ChildWindows;
ImGuiLayoutType LayoutType;
ImVector<bool> AllowKeyboardFocus;
ImVector<float> ItemWidth; // 0.0: default, >0.0: width in pixels, <0.0: align xx pixels to the right of window
ImVector<float> TextWrapPos;
@ -1106,6 +1115,7 @@ struct ImGuiDrawContext
LastItemHoveredAndUsable = LastItemHoveredRect = false;
MenuBarAppending = false;
MenuBarOffsetX = 0.0f;
LayoutType = ImGuiLayoutType_Vertical;
ColorEditMode = ImGuiColorEditMode_RGB;
StateStorage = NULL;
memset(StackSizesBackup, 0, sizeof(StackSizesBackup));
@ -3748,6 +3758,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
window->DC.ChildWindows.resize(0);
window->DC.ItemWidth.resize(0);
window->DC.ItemWidth.push_back(window->ItemWidthDefault);
window->DC.LayoutType = ImGuiLayoutType_Vertical;
window->DC.AllowKeyboardFocus.resize(0);
window->DC.AllowKeyboardFocus.push_back(true);
window->DC.TextWrapPos.resize(0);
@ -7518,10 +7529,14 @@ bool ImGui::BeginMenuBar()
return false;
IM_ASSERT(!window->DC.MenuBarAppending);
window->DC.MenuBarAppending = true;
ImGui::BeginGroup(); // Save position
ImGui::PushID("##menubar");
ImRect rect = window->MenuBarRect();
PushClipRect(ImVec4(rect.Min.x+0.5f, rect.Min.y-0.5f, rect.Max.x+0.5f, rect.Max.y-1.5f), false);
window->DC.CursorPos = ImVec2(rect.Min.x + window->DC.MenuBarOffsetX, rect.Min.y);// + g.Style.FramePadding.y);
window->DC.LayoutType = ImGuiLayoutType_Horizontal;
window->DC.MenuBarAppending = true;
ImGui::AlignFirstTextHeightToWidgets();
return true;
}
@ -7533,22 +7548,25 @@ void ImGui::EndMenuBar()
IM_ASSERT(window->Flags & ImGuiWindowFlags_MenuBar);
IM_ASSERT(window->DC.MenuBarAppending);
window->DC.MenuBarAppending = false;
PopClipRect();
ImGui::PopID();
window->DC.MenuBarOffsetX = window->DC.CursorPos.x - window->MenuBarRect().Min.x;
window->DC.GroupStack.back().AdvanceCursor = false;
ImGui::EndGroup();
window->DC.LayoutType = ImGuiLayoutType_Vertical;
window->DC.MenuBarAppending = false;
}
bool ImGui::BeginMenu(const char* label)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiState& g = *GImGui;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label);
ImVec2 pos, popup_pos, backup_pos = window->DC.CursorPos;
ImVec2 label_size = CalcTextSize(label, NULL, true);
ImGuiWindow* backed_focused_window = g.FocusedWindow;
@ -7558,21 +7576,18 @@ bool ImGui::BeginMenu(const char* label)
if (menuset_opened)
g.FocusedWindow = window;
if (window->DC.MenuBarAppending)
ImVec2 popup_pos, pos = window->DC.CursorPos;
if (window->DC.LayoutType == ImGuiLayoutType_Horizontal)
{
// FIXME: Should be moved at a lower-level once we have horizontal layout (#97)
pos = window->DC.CursorPos = ImVec2(window->Pos.x + window->DC.MenuBarOffsetX, window->Pos.y + window->TitleBarHeight() + style.FramePadding.y);
popup_pos = ImVec2(pos.x - window->WindowPadding().x, pos.y - style.FramePadding.y + window->MenuBarHeight());
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, style.ItemSpacing * 2.0f);
float w = label_size.x;
pressed = SelectableEx(label, opened, ImVec2(w, 0.0f), ImVec2(w, 0.0f), true, true, false);
window->DC.MenuBarOffsetX += (label_size.x + style.ItemSpacing.x);
window->DC.CursorPos = backup_pos;
ImGui::SameLine();
ImGui::PopStyleVar();
}
else
{
pos = window->DC.CursorPos;
popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y);
float w = window->MenuColumns.DeclColumns(label_size.x, 0.0f, (float)(int)(g.FontSize * 1.20f)); // Feedback to next frame
float extra_w = ImMax(0.0f, window->Pos.x + ImGui::GetContentRegionMax().x - pos.x - w);
@ -7956,6 +7971,7 @@ void ImGui::BeginGroup()
group_data.BackupCurrentLineHeight = window->DC.CurrentLineHeight;
group_data.BackupCurrentLineTextBaseOffset = window->DC.CurrentLineTextBaseOffset;
group_data.BackupLogLinePosY = window->DC.LogLinePosY;
group_data.AdvanceCursor = true;
window->DC.ColumnsStartX = window->DC.CursorPos.x - window->Pos.x;
window->DC.CursorMaxPos = window->DC.CursorPos;
@ -7983,8 +7999,11 @@ void ImGui::EndGroup()
window->DC.ColumnsStartX = group_data.BackupColumnsStartX;
window->DC.LogLinePosY = window->DC.CursorPos.y - 9999.0f;
if (group_data.AdvanceCursor)
{
ItemSize(group_bb.GetSize(), group_data.BackupCurrentLineTextBaseOffset);
ItemAdd(group_bb, NULL);
}
window->DC.GroupStack.pop_back();