Add tab widget and event propagation

CMakeLists.txt

@@ -30,6 +30,7 @@ set(ZWIDGET_SOURCES
 	src/widgets/pushbutton/pushbutton.cpp
 	src/widgets/checkboxlabel/checkboxlabel.cpp
 	src/widgets/listview/listview.cpp
+	src/widgets/tabwidget/tabwidget.cpp
 	src/window/window.cpp
 )
 
@@ -58,6 +59,7 @@ set(ZWIDGET_INCLUDES
 	include/zwidget/widgets/pushbutton/pushbutton.h
 	include/zwidget/widgets/checkboxlabel/checkboxlabel.h
 	include/zwidget/widgets/listview/listview.h
+	include/zwidget/widgets/tabwidget/tabwidget.h
 	include/zwidget/window/window.h
 )
 
@@ -91,6 +93,7 @@ source_group("src\\widgets\\textlabel" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURC
 source_group("src\\widgets\\pushbutton" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/src/widgets/pushbutton/.+")
 source_group("src\\widgets\\checkboxlabel" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/src/widgets/checkboxlabel/.+")
 source_group("src\\widgets\\listview" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/src/widgets/listview/.+")
+source_group("src\\widgets\\tabwidget" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/src/widgets/tabwidget/.+")
 source_group("src\\window" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/src/window/.+")
 source_group("include" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/.+")
 source_group("include\\core" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/core/.+")
@@ -107,6 +110,7 @@ source_group("include\\widgets\\textlabel" REGULAR_EXPRESSION "${CMAKE_CURRENT_S
 source_group("include\\widgets\\pushbutton" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/widgets/pushbutton/.+")
 source_group("include\\widgets\\checkboxlabel" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/widgets/checkboxlabel/.+")
 source_group("include\\widgets\\listview" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/widgets/listview/.+")
+source_group("include\\widgets\\tabwidget" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/widgets/tabwidget/.+")
 source_group("include\\window" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/window/.+")
 source_group("include\\window\\win32" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/window/win32/.+")
 source_group("include\\window\\sdl2" REGULAR_EXPRESSION "${CMAKE_CURRENT_SOURCE_DIR}/include/zwidget/window/sdl2/.+")

include/zwidget/core/widget.h

@@ -39,6 +39,10 @@ class Widget : DisplayWindowHost
 
 	// Widget noncontent area
 	void SetNoncontentSizes(double left, double top, double right, double bottom);
+	double GetNoncontentLeft() const { return Noncontent.Left; }
+	double GetNoncontentTop() const { return Noncontent.Top; }
+	double GetNoncontentRight() const { return Noncontent.Right; }
+	double GetNoncontentBottom() const { return Noncontent.Bottom; }
 
 	// Widget frame box
 	Rect GetFrameGeometry() const;
@@ -68,6 +72,7 @@ class Widget : DisplayWindowHost
 	bool HasFocus();
 	bool IsEnabled();
 	bool IsVisible();
+	bool IsHidden();
 
 	void SetFocus();
 	void SetEnabled(bool value);
@@ -86,7 +91,7 @@ class Widget : DisplayWindowHost
 	void SetClipboardText(const std::string& text);
 
 	Widget* Window();
-	Canvas* GetCanvas();
+	Canvas* GetCanvas() const;
 	Widget* ChildAt(double x, double y) { return ChildAt(Point(x, y)); }
 	Widget* ChildAt(const Point& pos);
 
@@ -109,11 +114,11 @@ class Widget : DisplayWindowHost
 protected:
 	virtual void OnPaintFrame(Canvas* canvas) { }
 	virtual void OnPaint(Canvas* canvas) { }
+	virtual bool OnMouseDown(const Point& pos, int key) { return false; }
+	virtual bool OnMouseDoubleclick(const Point& pos, int key) { return false; }
+	virtual bool OnMouseUp(const Point& pos, int key) { return false; }
+	virtual bool OnMouseWheel(const Point& pos, EInputKey key) { return false; }
 	virtual void OnMouseMove(const Point& pos) { }
-	virtual void OnMouseDown(const Point& pos, int key) { }
-	virtual void OnMouseDoubleclick(const Point& pos, int key) { }
-	virtual void OnMouseUp(const Point& pos, int key) { }
-	virtual void OnMouseWheel(const Point& pos, EInputKey key) { }
 	virtual void OnMouseLeave() { }
 	virtual void OnRawMouseMove(int dx, int dy) { }
 	virtual void OnKeyChar(std::string chars) { }
@@ -176,6 +181,7 @@ class Widget : DisplayWindowHost
 	Widget* FocusWidget = nullptr;
 	Widget* CaptureWidget = nullptr;
 	Widget* HoverWidget = nullptr;
+	bool HiddenFlag = false;
 
 	StandardCursor CurrentCursor = StandardCursor::arrow;
 

include/zwidget/widgets/checkboxlabel/checkboxlabel.h

@@ -21,8 +21,8 @@ class CheckboxLabel : public Widget
 
 protected:
 	void OnPaint(Canvas* canvas) override;
-	void OnMouseDown(const Point& pos, int key) override;
-	void OnMouseUp(const Point& pos, int key) override;
+	bool OnMouseDown(const Point& pos, int key) override;
+	bool OnMouseUp(const Point& pos, int key) override;
 	void OnMouseLeave() override;
 	void OnKeyUp(EInputKey key) override;
 

include/zwidget/widgets/lineedit/lineedit.h

@@ -72,9 +72,9 @@ class LineEdit : public Widget
 	void OnPaintFrame(Canvas* canvas) override;
 	void OnPaint(Canvas* canvas) override;
 	void OnMouseMove(const Point& pos) override;
-	void OnMouseDown(const Point& pos, int key) override;
-	void OnMouseDoubleclick(const Point& pos, int key) override;
-	void OnMouseUp(const Point& pos, int key) override;
+	bool OnMouseDown(const Point& pos, int key) override;
+	bool OnMouseDoubleclick(const Point& pos, int key) override;
+	bool OnMouseUp(const Point& pos, int key) override;
 	void OnKeyChar(std::string chars) override;
 	void OnKeyDown(EInputKey key) override;
 	void OnKeyUp(EInputKey key) override;

include/zwidget/widgets/listview/listview.h

@@ -25,9 +25,9 @@ class ListView : public Widget
 protected:
 	void OnPaint(Canvas* canvas) override;
 	void OnPaintFrame(Canvas* canvas) override;
-	void OnMouseDown(const Point& pos, int key) override;
-	void OnMouseDoubleclick(const Point& pos, int key) override;
-	void OnMouseWheel(const Point& pos, EInputKey key) override;
+	bool OnMouseDown(const Point& pos, int key) override;
+	bool OnMouseDoubleclick(const Point& pos, int key) override;
+	bool OnMouseWheel(const Point& pos, EInputKey key) override;
 	void OnKeyDown(EInputKey key) override;
 	void OnGeometryChanged() override;
 	void OnScrollbarScroll();

include/zwidget/widgets/pushbutton/pushbutton.h

@@ -21,9 +21,9 @@ class PushButton : public Widget
 protected:
 	void OnPaintFrame(Canvas* canvas) override;
 	void OnPaint(Canvas* canvas) override;
+	bool OnMouseDown(const Point& pos, int key) override;
+	bool OnMouseUp(const Point& pos, int key) override;
 	void OnMouseMove(const Point& pos) override;
-	void OnMouseDown(const Point& pos, int key) override;
-	void OnMouseUp(const Point& pos, int key) override;
 	void OnMouseLeave() override;
 	void OnKeyDown(EInputKey key) override;
 	void OnKeyUp(EInputKey key) override;

include/zwidget/widgets/scrollbar/scrollbar.h

@@ -47,9 +47,9 @@ class Scrollbar : public Widget
 	std::function<void()> FuncScrollEnd;
 
 protected:
+	bool OnMouseDown(const Point& pos, int key) override;
+	bool OnMouseUp(const Point& pos, int key) override;
 	void OnMouseMove(const Point& pos) override;
-	void OnMouseDown(const Point& pos, int key) override;
-	void OnMouseUp(const Point& pos, int key) override;
 	void OnMouseLeave() override;
 	void OnPaint(Canvas* canvas) override;
 	void OnEnableChanged() override;

include/zwidget/widgets/tabwidget/tabwidget.h

@@ -0,0 +1,124 @@
+
+#pragma once
+
+#include "../../core/widget.h"
+#include <functional>
+#include <string>
+#include <vector>
+
+class TabBar;
+class TabBarTab;
+class TabWidgetStack;
+class TextLabel;
+class ImageBox;
+class Image;
+
+class TabWidget : public Widget
+{
+public:
+	TabWidget(Widget* parent);
+
+	int AddTab(Widget* page, const std::string& label);
+	int AddTab(Widget* page, const std::shared_ptr<Image>& icon, const std::string& label);
+
+	void SetTabText(int index, const std::string& text);
+	void SetTabText(Widget* page, const std::string& text);
+	void SetTabIcon(int index, const std::shared_ptr<Image>& icon);
+	void SetTabIcon(Widget* page, const std::shared_ptr<Image>& icon);
+
+	int GetCurrentIndex() const;
+	Widget* GetCurrentWidget() const;
+
+	int GetPageIndex(Widget* pageWidget) const;
+
+	void SetCurrentIndex(int pageIndex);
+	void SetCurrentWidget(Widget* pageWidget);
+
+	std::function<void()> OnCurrentChanged;
+
+protected:
+	void OnPaintFrame(Canvas* canvas) override;
+	void OnGeometryChanged() override;
+
+private:
+	void OnBarCurrentChanged();
+
+	TabBar* Bar = nullptr;
+	TabWidgetStack* PageStack = nullptr;
+	std::vector<Widget*> Pages;
+};
+
+class TabBar : public Widget
+{
+public:
+	TabBar(Widget* parent);
+
+	int AddTab(const std::string& label);
+	int AddTab(const std::shared_ptr<Image>& icon, const std::string& label);
+
+	void SetTabText(int index, const std::string& text);
+	void SetTabIcon(int index, const std::shared_ptr<Image>& icon);
+
+	int GetCurrentIndex() const;
+	void SetCurrentIndex(int pageIndex);
+
+	double GetPreferredHeight() const { return 30.0; }
+
+	std::function<void()> OnCurrentChanged;
+
+protected:
+	void OnPaintFrame(Canvas* canvas) override;
+	void OnGeometryChanged() override;
+
+private:
+	void OnTabClicked(TabBarTab* tab);
+	int GetTabIndex(TabBarTab* tab);
+
+	int CurrentIndex = -1;
+	std::vector<TabBarTab*> Tabs;
+};
+
+class TabBarTab : public Widget
+{
+public:
+	TabBarTab(Widget* parent);
+
+	void SetText(const std::string& text);
+	void SetIcon(const std::shared_ptr<Image>& icon);
+	void SetCurrent(bool value);
+
+	double GetPreferredWidth() const;
+
+	std::function<void()> OnClick;
+
+protected:
+	void OnPaintFrame(Canvas* canvas) override;
+	void OnGeometryChanged() override;
+	bool OnMouseDown(const Point& pos, int key) override;
+	bool OnMouseUp(const Point& pos, int key) override;
+	void OnMouseMove(const Point& pos) override;
+	void OnMouseLeave() override;
+
+private:
+	bool IsCurrent = false;
+
+	ImageBox* Icon = nullptr;
+	TextLabel* Label = nullptr;
+	bool hot = false;
+};
+
+class TabWidgetStack : public Widget
+{
+public:
+	TabWidgetStack(Widget* parent);
+
+	void SetCurrentWidget(Widget* widget);
+	Widget* GetCurrentWidget() const { return CurrentWidget; }
+
+protected:
+	void OnPaintFrame(Canvas* canvas) override;
+	void OnGeometryChanged() override;
+
+private:
+	Widget* CurrentWidget = nullptr;
+};

include/zwidget/widgets/textedit/textedit.h

@@ -56,9 +56,9 @@ class TextEdit : public Widget
 	void OnPaintFrame(Canvas* canvas) override;
 	void OnPaint(Canvas* canvas) override;
 	void OnMouseMove(const Point& pos) override;
-	void OnMouseDown(const Point& pos, int key) override;
-	void OnMouseDoubleclick(const Point& pos, int key) override;
-	void OnMouseUp(const Point& pos, int key) override;
+	bool OnMouseDown(const Point& pos, int key) override;
+	bool OnMouseDoubleclick(const Point& pos, int key) override;
+	bool OnMouseUp(const Point& pos, int key) override;
 	void OnKeyChar(std::string chars) override;
 	void OnKeyDown(EInputKey key) override;
 	void OnKeyUp(EInputKey key) override;

include/zwidget/widgets/textlabel/textlabel.h

@@ -21,6 +21,7 @@ class TextLabel : public Widget
 	void SetTextAlignment(TextLabelAlignment alignment);
 	TextLabelAlignment GetTextAlignment() const;
 
+	double GetPreferredWidth() const;
 	double GetPreferredHeight() const;
 
 protected: