From f33257521bf80dcef8575c4fc3ddaf4a40ff588a Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sun, 7 Jun 2009 18:13:15 +0000
Subject: fixed a few widget order problems, changed map targetting behaviour

---
 src/ui/modelview.cc | 27 ++++++++++++++++++++++++++-
 src/ui/modelview.h  | 12 ++++++++++++
 src/ui/ui.cc        |  6 ++++++
 src/ui/ui.h         |  3 +++
 src/ui/widget.cc    |  7 +++++--
 src/ui/widget.h     |  2 +-
 6 files changed, 53 insertions(+), 4 deletions(-)

(limited to 'src/ui')

diff --git a/src/ui/modelview.cc b/src/ui/modelview.cc
index 11dd318..e3816cd 100755
--- a/src/ui/modelview.cc
+++ b/src/ui/modelview.cc
@@ -22,6 +22,8 @@ ModelView::ModelView(Widget *parent, const char *modelname) : Widget(parent)
 	set_label("modelview");
 	
 	set_modelname(modelname);
+
+	modelview_zoom = 1.0f;
 }
 
 ModelView::~ModelView()
@@ -51,6 +53,29 @@ void ModelView::set_color(const math::Color & color)
 	modelview_color.assign(color);
 }
 
+void ModelView::set_zoom(const float zoom)
+{
+	modelview_zoom = zoom;
+	math::clamp(modelview_zoom, 1.0f, 10.0f);
+}
+
+bool ModelView::on_keypress(const int key, const unsigned int modifier)
+{	
+	if (key == 512 + SDL_BUTTON_WHEELUP) {
+		modelview_zoom -= 0.1f;
+		if (modelview_zoom < 1.0f)
+			modelview_zoom = 1.0f;
+		return true;
+	} else 	if (key == 512 + SDL_BUTTON_WHEELDOWN) {
+		modelview_zoom += 0.1f;
+		if (modelview_zoom > 10.0f)
+			modelview_zoom = 10.0f;
+		return true;
+	}
+
+	return false;
+}
+
 void ModelView::draw()
 {
 	if (!modelview_modelname.size())
@@ -68,7 +93,7 @@ void ModelView::draw()
 	gl::clear(GL_DEPTH_BUFFER_BIT);
 
 	// gl 3d mode
-	render::Camera::frustum_default(model->radius(), center.x, center.y);
+	render::Camera::frustum_default(model->radius() * modelview_zoom, center.x, center.y);
 
 	gl::disable(GL_BLEND);
 	gl::depthmask(GL_TRUE);		// enable writing to the depth buffer
diff --git a/src/ui/modelview.h b/src/ui/modelview.h
index 1fbb4d9..c9855db 100755
--- a/src/ui/modelview.h
+++ b/src/ui/modelview.h
@@ -33,6 +33,14 @@ public:
 	
 	/// print modelview description
 	virtual void print(const size_t indent) const;
+
+	/**
+	 * @brief set the zoom out factor
+	 * @param zoom the new zoom factor
+	 * The zoom factor will be clamped to the range [1.0-10.0]
+	 * 1.0 is not zoomed out, 10.0 is zoomed out by a factor of 10
+	 */
+	void set_zoom(const float zoom);
 	
 protected:
 	/// draw the widget
@@ -41,9 +49,13 @@ protected:
 	/// draw border
 	void draw_border();
 
+	/// keypress event handler
+	virtual bool on_keypress(const int key, const unsigned int modifier);
+
 private:
 	std::string	modelview_modelname;
 	math::Color	modelview_color;
+	float		modelview_zoom;
 };
 
 }
diff --git a/src/ui/ui.cc b/src/ui/ui.cc
index b7d1155..b60a65e 100644
--- a/src/ui/ui.cc
+++ b/src/ui/ui.cc
@@ -375,6 +375,12 @@ void UI::list() const
 	con_print << n << " user interface widgets" << std::endl;
 }
 
+void UI::list_visible() const
+{
+	size_t n = Widget::list(0, true);
+	con_print << n << " visible user interface widgets" << std::endl;
+}
+
 UI::Menus::iterator UI::find_menu(Window *menu)
 {
 	Menus::iterator it;
diff --git a/src/ui/ui.h b/src/ui/ui.h
index 6216ba7..2e4bc50 100644
--- a/src/ui/ui.h
+++ b/src/ui/ui.h
@@ -27,6 +27,9 @@ public:
 	
 	/// list widgets
 	void list() const;
+
+	/// list visible widgets
+	void list_visible() const;
 	
 	/// list meus
 	void list_menus() const;
diff --git a/src/ui/widget.cc b/src/ui/widget.cc
index 15fa10f..cc53c9f 100644
--- a/src/ui/widget.cc
+++ b/src/ui/widget.cc
@@ -47,12 +47,15 @@ void Widget::remove_children()
 	widget_children.clear();
 }
 
-size_t Widget::list(const size_t indent) const
+size_t Widget::list(const size_t indent, const bool visible_only) const
 {
+	if (visible_only && !visible())
+		return 0;
+
 	print(indent);
 	size_t n = 1;
 	for (Children::const_iterator it = widget_children.begin(); it != widget_children.end(); it++) {
-		n += (*it)->list(indent+1);
+		n += (*it)->list(indent+1, visible_only);
 	}
 	return n;
 }
diff --git a/src/ui/widget.h b/src/ui/widget.h
index d8969cc..2de7a3d 100644
--- a/src/ui/widget.h
+++ b/src/ui/widget.h
@@ -231,7 +231,7 @@ protected:
 	Widget *find_mouse_focus(const math::Vector2f & cursor);
 	
 	/// list widget content
-	size_t list(const size_t indent) const;
+	size_t list(const size_t indent,  const bool visible_only = false) const;
 	
 	/// print widget description
 	virtual void print(const size_t indent) const;
-- 
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