added dialog nesting code (for now using std::stack, I will provide my own stack class later

svn-id: r4483

gui/dialog.cpp

@@ -74,11 +74,7 @@ Widget *Dialog::findWidget(int x, int y)
 
 void Dialog::close()
 {
-	// FIXME - this code should be inside the Gui class, and should be 
-	// extended to support nested dialogs.
-	_gui->restoreState();
-	_gui->_active = false;
-	_gui->_activeDialog = 0;
+	_gui->closeTopDialog();
 }
 
 void Dialog::addResText(int x, int y, int w, int h, int resID)
@@ -116,7 +112,7 @@ enum {
 };
 
 SaveLoadDialog::SaveLoadDialog(NewGui *gui)
-:Dialog (gui, 30, 20, 260, 124)
+	: Dialog (gui, 30, 20, 260, 124)
 {
 	addResText(10, 7, 240, 16, 1);
 //  addResText(10, 7, 240, 16, 2);
@@ -135,6 +131,8 @@ void SaveLoadDialog::handleCommand(uint32 cmd)
 	case kSaveCmd:
 		break;
 	case kLoadCmd:
+		// FIXME HACK - just to demo the nesting ability
+		_gui->pauseDialog();
 		break;
 	case kPlayCmd:
 		close();
@@ -152,7 +150,7 @@ void SaveLoadDialog::handleCommand(uint32 cmd)
 
 
 PauseDialog::PauseDialog(NewGui *gui)
-:Dialog (gui, 50, 80, 220, 16)
+	: Dialog (gui, 50, 80, 220, 16)
 {
 	addResText(2, 2, 220, 16, 10);
 }

gui/widget.cpp

@@ -25,7 +25,7 @@
 
 
 Widget::Widget (Dialog *boss, int x, int y, int w, int h)
-: _boss(boss), _x(x), _y(y), _w(w), _h(h), _id(0), _flags(0)
+	: _boss(boss), _x(x), _y(y), _w(w), _h(h), _id(0), _flags(0)
 {
 	// Insert into the widget list of the boss
 	_next = _boss->_firstWidget;
@@ -51,6 +51,7 @@ void Widget::draw()
 		_x += 4;
 		_y += 4;
 	}
+	
 	// Now perform the actual widget draw
 	drawWidget(_flags & WIDGET_HILITED);
 
@@ -58,6 +59,7 @@ void Widget::draw()
 		_x -= 4;
 		_y -= 4;
 	}
+	
 	// Restore x/y
 	_x -= _boss->_x;
 	_y -= _boss->_y;
@@ -68,7 +70,7 @@ void Widget::draw()
 
 
 StaticTextWidget::StaticTextWidget(Dialog *boss, int x, int y, int w, int h, const char *text)
-:Widget (boss, x, y, w, h)
+	: Widget (boss, x, y, w, h)
 {
 	// FIXME - maybe we should make a real copy of the string?
 	_text = text;
@@ -85,7 +87,7 @@ void StaticTextWidget::drawWidget(bool hilite)
 
 
 ButtonWidget::ButtonWidget(Dialog *boss, int x, int y, int w, int h, const char *label, uint32 cmd)
-:StaticTextWidget(boss, x, y, w, h, label), _cmd(cmd), _hotkey(0)
+	: StaticTextWidget(boss, x, y, w, h, label), _cmd(cmd), _hotkey(0)
 {
 	_flags = WIDGET_ENABLED | WIDGET_BORDER /* | WIDGET_CLEARBG */ ;
 }

gui/widget.h

@@ -87,8 +87,8 @@ public:
 	uint32 getCmd();
 	void handleClick(int button);
 
-	void handleMouseEntered(int button)	{ printf("handleMouseEntered\n"); setFlags(WIDGET_HILITED); draw(); }
-	void handleMouseLeft(int button)	{ printf("handleMouseLeft\n"); clearFlags(WIDGET_HILITED); draw(); }
+	void handleMouseEntered(int button)	{ setFlags(WIDGET_HILITED); draw(); }
+	void handleMouseLeft(int button)	{ clearFlags(WIDGET_HILITED); draw(); }
 };
 
 

newgui.cpp

@@ -28,7 +28,7 @@
 #define vline(x, y, y2, color) line(x, y, x, y2, color);
 
 
-NewGui::NewGui(Scumm *s):_s(s), _active(false), _need_redraw(false), _activeDialog(0)
+NewGui::NewGui(Scumm *s) : _s(s), _need_redraw(false)
 {
 	_pauseDialog = new PauseDialog(this);
 	_saveLoadDialog = new SaveLoadDialog(this);
@@ -36,33 +36,31 @@ NewGui::NewGui(Scumm *s):_s(s), _active(false), _need_redraw(false), _activeDial
 
 void NewGui::pauseDialog()
 {
-	_active = true;
-	_activeDialog = _pauseDialog;
-	_need_redraw = true;
+	openDialog(_pauseDialog);
 }
 
 void NewGui::saveloadDialog()
 {
-	_active = true;
-	_activeDialog = _saveLoadDialog;
-	_need_redraw = true;
+	openDialog(_saveLoadDialog);
 }
 
 void NewGui::loop()
 {
+	Dialog *activeDialog = _dialogStack.top();
+	
 	if (_need_redraw) {
-		_activeDialog->draw();
+		activeDialog->draw();
 		saveState();
 		_need_redraw = false;
 	}
 	_s->animateCursor();
 	_s->getKeyInput(0);
 	if (_s->_mouseButStat & MBS_LEFT_CLICK) {
-		_activeDialog->handleClick(_s->mouse.x, _s->mouse.y, _s->_mouseButStat);
+		activeDialog->handleClick(_s->mouse.x, _s->mouse.y, _s->_mouseButStat);
 	} else if (_s->_lastKeyHit) {
-		_activeDialog->handleKey(_s->_lastKeyHit, 0);
+		activeDialog->handleKey(_s->_lastKeyHit, 0);
 	} else if (_old_mouse.x != _s->mouse.x || _old_mouse.y != _s->mouse.y) {
-		_activeDialog->handleMouseMoved(_s->mouse.x, _s->mouse.y, _s->_mouseButStat);
+		activeDialog->handleMouseMoved(_s->mouse.x, _s->mouse.y, _s->_mouseButStat);
 		_old_mouse.x = _s->mouse.x;
 		_old_mouse.y = _s->mouse.y;
 	}
@@ -109,6 +107,21 @@ void NewGui::restoreState()
 	_s->pauseSounds(_old_soundsPaused);
 }
 
+void NewGui::openDialog(Dialog *dialog)
+{
+	_dialogStack.push(dialog);
+	_need_redraw = true;
+}
+
+void NewGui::closeTopDialog()
+{
+	_dialogStack.pop();
+	if (_dialogStack.empty())
+		restoreState();
+	else
+		_dialogStack.top()->draw();
+}
+
 #pragma mark -
 
 const char *NewGui::queryString(int stringno)

newgui.h

@@ -21,11 +21,15 @@
 #ifndef NEWGUI_H
 #define NEWGUI_H
 
+#include <stack>
+
 #include "scummsys.h"
 
 class Scumm;
 class Dialog;
 
+typedef std::stack<Dialog *> DialogStack;
+
 class NewGui {
 	friend class Dialog;
 public:
@@ -39,15 +43,15 @@ public:
 	void saveloadDialog();
 	void loop();
 
-	bool isActive()	{ return _active; }
+	bool isActive()	{ return ! _dialogStack.empty(); }
 
 	NewGui(Scumm *s);
 
 protected:
 	Scumm		*_s;
-	bool		_active;
 	bool		_need_redraw;
-	Dialog		*_activeDialog;
+//	Dialog		*_activeDialog;
+	DialogStack	_dialogStack;
 	
 	Dialog		*_pauseDialog;
 	Dialog		*_saveLoadDialog;
@@ -68,6 +72,9 @@ protected:
 	void saveState();
 	void restoreState();
 	
+	void openDialog(Dialog *dialog);
+	void closeTopDialog();
+
 public:
 	// Drawing
 	byte *getBasePtr(int x, int y);