- add gui color support: maintain color map with default colors and all

[flightgear.git] / src / GUI / new_gui.hxx

diff --git a/src/GUI/new_gui.hxx b/src/GUI/new_gui.hxx
index 6e96a5aa060778a16902cbf9b205aef63219254c..9ed87fe8cb5f9566da81dd535b0058350d3f90bd 100644 (file)
--- a/src/GUI/new_gui.hxx
+++ b/src/GUI/new_gui.hxx
@@ -28,6 +28,7 @@ SG_USING_STD(map);
 class FGMenuBar;
 class FGDialog;
 class FGBinding;
+class FGColor;
 
 
 /**
@@ -150,6 +151,9 @@ public:
      */
     virtual FGDialog * getActiveDialog ();
 
+    const FGColor& getColor (const char * which) { return _colors[which]; }
+    const FGColor& getColor (string which) { return _colors[which.c_str()]; }
+
 protected:
 
     /**
@@ -166,8 +170,13 @@ protected:
      */
     virtual void setMenuBarVisible (bool visible);
 
+    virtual void setStyle ();
+    virtual void setupFont ();
 
 private:
+    fntTexFont _tex_font;
+    puFont _font;
+    map<string,FGColor> _colors;
 
     // Free all allocated memory.
     void clear ();
@@ -183,5 +192,56 @@ private:
 };
 
 
+class FGColor {
+public:
+       FGColor() { clear(); }
+       FGColor(float r, float g, float b, float a = 1.0f) { set(r, g, b, a); }
+       FGColor(const SGPropertyNode *prop) { set(prop); }
+
+       FGColor& operator=(const FGColor& c) {
+               _red = c._red;
+               _green = c._green;
+               _blue = c._blue;
+               _alpha = c._alpha;
+               return *this;
+       }
+
+       inline void clear() { _red = _green = _blue = -1.0f; _alpha = 1.0f; }
+       // merges in non-negative components from property with children <red> etc.
+       void merge(const SGPropertyNode *prop);
+       void merge(const FGColor& color);
+
+       void set(const SGPropertyNode *prop) { clear(); merge(prop); };
+       void set(const FGColor& color) { clear(); merge(color); }
+       void set(float r, float g, float b, float a = 1.0f) {
+               _red = clamp(r), _green = clamp(g), _blue = clamp(b), _alpha = clamp(a);
+       }
+       bool isValid() const {
+               return _red >= 0.0 && _green >= 0.0 && _blue >= 0.0
+                               && _alpha >= 0.0;
+       }
+       void print() const {
+               std::cerr << "red=" << _red << ", green=" << _green
+               << ", blue=" << _blue << ", alpha=" << _alpha << std::endl;
+       }
+
+       inline void setRed(float red) { _red = clamp(red); }
+       inline void setGreen(float green) { _green = clamp(green); }
+       inline void setBlue(float blue) { _blue = clamp(blue); }
+       inline void setAlpha(float alpha) { _alpha = clamp(alpha); }
+
+       inline float red() const { return _red; }
+       inline float green() const { return _green; }
+       inline float blue() const { return _blue; }
+       inline float alpha() const { return _alpha; }
+
+protected:
+       float _red, _green, _blue, _alpha;
+
+private:
+       float clamp(float f) { return f < 0.0 ? 0.0 : f > 1.0 ? 1.0 : f; }
+};
+
+
 #endif // __NEW_GUI_HXX