From d45baecf980dcabcbb528fcc220ec67d9bf3f2ed Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Mon, 20 Sep 2010 17:10:30 +0000
Subject: display correct cargo size in game::Shipmodel info, ui::Slider
 scrollwheel support

---
 src/game/base/shipmodel.cc |  2 +-
 src/ui/slider.cc           | 54 ++++++++++++++++++++++++++++++++++++++++++----
 src/ui/slider.h            |  4 ++++
 3 files changed, 55 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/game/base/shipmodel.cc b/src/game/base/shipmodel.cc
index 8710aad..e52aab2 100644
--- a/src/game/base/shipmodel.cc
+++ b/src/game/base/shipmodel.cc
@@ -141,7 +141,7 @@ void ShipModel::generate_info()
 	add_text(str.str());
 	str.str("");
 
-	str << "cargo hold:   ^B" << 0.1f * maxcargo() << " ^Nmetric tonnes";
+	str << "cargo hold:   ^B" << maxcargo() << " ^Ncubic meters";
 	add_text(str.str());
 	str.str("");
 
diff --git a/src/ui/slider.cc b/src/ui/slider.cc
index 5de82b2..b5a38f1 100644
--- a/src/ui/slider.cc
+++ b/src/ui/slider.cc
@@ -16,9 +16,15 @@ Slider::Slider(Widget *parent, const float minimum, const float maximum) : Widge
 	slider_maximum = maximum;
 	slider_value = slider_minimum;
 
-	slider_minbutton = new ui::Button(this, "<");
+	slider_minbutton = new ui::Button(this, "<<");
 	slider_minbutton->set_border(false);
 	
+	slider_decbutton = new ui::Button(this, "<");
+	slider_decbutton->set_border(false);
+	
+	slider_incbutton = new ui::Button(this, ">");
+	slider_incbutton->set_border(false);
+	
 	slider_maxbutton = new ui::Button(this, ">>");
 	slider_maxbutton->set_border(false);
 	
@@ -75,16 +81,50 @@ bool Slider::on_emit(Widget *sender, const Event event, void *data)
 			slider_value = slider_minimum;
 			emit(EventSliderChanged, this);
 			return true;
+		} else if (sender == slider_decbutton) {
+			if (slider_value > slider_minimum) {
+				slider_value--;
+				emit(EventSliderChanged, this);
+			}
+			return true;
+		} else if (sender == slider_incbutton) {
+			if (slider_value < slider_maximum) {
+				slider_value++;
+				emit(EventSliderChanged, this);
+			}
+			return true;
 		} else if (sender == slider_maxbutton) {
 			slider_value = slider_maximum;
 			emit(EventSliderChanged, this);
 			return true;
 		}
 	}
-	
 	return false;
 }
 
+bool Slider::on_keypress(const int key, const unsigned int modifier)
+{
+	switch (key) {
+		
+		case 512 + SDL_BUTTON_WHEELUP:
+			if (slider_value < slider_maximum) {
+				slider_value++;
+				emit(EventSliderChanged, this);
+			}
+			return true;
+			break;
+		
+		case 512 + SDL_BUTTON_WHEELDOWN:
+			if (slider_value > slider_minimum) {
+				slider_value--;
+				emit(EventSliderChanged, this);
+			}
+			return true;
+			break;
+	}
+
+	return false;
+}
 
 void Slider::resize()
 {
@@ -92,17 +132,23 @@ void Slider::resize()
 	slider_minbutton->set_size(height(), height());
 	slider_minbutton->set_location(0, 0);
 	
+	slider_decbutton->set_size(height(), height());
+	slider_decbutton->set_location(slider_minbutton->right(), 0);
+	
 	slider_maxbutton->set_size(height(), height());
 	slider_maxbutton->set_location(width() - slider_maxbutton->width(), 0);
+	
+	slider_incbutton->set_size(height(), height());
+	slider_incbutton->set_location(slider_maxbutton->left() - slider_incbutton->width() , 0);
 }
 
 void Slider::draw()
 {
 	if (slider_maximum > slider_minimum) {
 		const float range = (slider_value - slider_minimum) / (slider_maximum - slider_minimum);
-		const float x = (width() - 3.0f * height()) * range;
+		const float x = (width() - 5.0f * height()) * range;
 		Paint::set_color(palette()->foreground());
-		Paint::draw_rectangle(math::Vector2f(global_location().x() + height() + x, global_location().y()), math::Vector2f(height(), height()));
+		Paint::draw_rectangle(math::Vector2f(global_location().x() + 2.0f * height() + x + 1, global_location().y() +1 ), math::Vector2f(height() - 2, height() - 2));
 	}
 	
 	Widget::draw();
diff --git a/src/ui/slider.h b/src/ui/slider.h
index 8bcb427..46dfd50 100644
--- a/src/ui/slider.h
+++ b/src/ui/slider.h
@@ -82,6 +82,8 @@ protected:
 	virtual void draw();
 	
 	virtual bool on_emit(Widget *sender, const Event event, void *data=0);
+	
+	virtual bool on_keypress(const int key, const unsigned int modifier);
 
 private:
 	/// validate slider value
@@ -92,6 +94,8 @@ private:
 	float			slider_value;
 	
 	Button			*slider_minbutton;
+	Button			*slider_decbutton;
+	Button			*slider_incbutton;
 	Button			*slider_maxbutton;
 };
 
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