#include <simgear/compiler.h> // for SG_USING_STD
#include <simgear/props/props.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
+#include <simgear/misc/sg_path.hxx>
#include <vector>
-SG_USING_STD(vector);
-
#include <map>
+
+SG_USING_STD(vector);
SG_USING_STD(map);
+SG_USING_STD(string);
#include <Main/fg_props.hxx>
class FGDialog;
class FGBinding;
class FGColor;
+class FGFontCache;
/**
virtual void init ();
/**
- * Reinitialize the GUI subsystem.
+ * Reinitialize the GUI subsystem. Reloads all XML dialogs.
*/
virtual void reinit ();
*/
virtual void update (double delta_time_sec);
+ /**
+ * Redraw the GUI picking up new GUI colors.
+ */
+ virtual void redraw ();
+
/**
* Creates a new dialog box, using the same property format as the
* gui/dialogs configuration files. Does not display the
*/
virtual bool closeDialog (const string &name);
+ /**
+ * Get dialog property tree's root node.
+ * @param name The name of the dialog box.
+ * @return node pointer if the dialog was found, zero otherwise.
+ */
+ virtual SGPropertyNode_ptr getDialogProperties (const string &name);
+
/**
* Return a pointer to the current menubar.
*/
virtual FGMenuBar * getMenuBar ();
-
/**
* Ignore this method.
*
*/
virtual FGDialog * getActiveDialog ();
- virtual const FGColor& getColor (const char * which) { return _colors[which]; }
- virtual const FGColor& getColor (string which) { return _colors[which.c_str()]; }
- virtual puFont *getDefaultFont() { return &_font; }
+ /**
+ * Get the named dialog if active.
+ *
+ * @return The named dialog, or 0 if it isn't active.
+ */
+ virtual FGDialog * getDialog (const string &name);
+
+
+ virtual FGColor *getColor (const char * name) const {
+ _citt_t it = _colors.find(name);
+ return (it != _colors.end()) ? it->second : NULL;
+ }
+ virtual FGColor *getColor (const string &name) const {
+ _citt_t it = _colors.find(name.c_str());
+ return (it != _colors.end()) ? it->second : NULL;
+ }
+
+ virtual puFont *getDefaultFont() { return _font; }
+
protected:
virtual void setMenuBarVisible (bool visible);
virtual void setStyle ();
- virtual void setupFont ();
+ virtual void setupFont (SGPropertyNode *);
+
+ /**
+ * Used by reinit() and redraw() to close all dialogs and to apply
+ * current GUI colors. If "reload" is false, reopens all dialogs.
+ * Otherwise reloads all XML dialog files from disk and reopens all
+ * but Nasal * generated dialogs, omitting dynamic widgets. (This
+ * is only useful for GUI development.)
+ */
+ virtual void reset (bool reload);
private:
- fntTexFont _tex_font;
- puFont _font;
- map<string,FGColor> _colors;
+ struct ltstr
+ {
+ bool operator()(const char* s1, const char* s2) const {
+ return strcmp(s1, s2) < 0;
+ }
+ };
- // Free all allocated memory.
- void clear ();
+ puFont *_font;
+ map<const char*,FGColor*, ltstr> _colors;
+ typedef map<const char*,FGColor*, ltstr>::iterator _itt_t;
+ typedef map<const char*,FGColor*, ltstr>::const_iterator _citt_t;
+
+ void clear_colors();
// Read all the configuration files in a directory.
void readDir (const char * path);
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;
+ FGColor(FGColor *c) {
+ if (c) set(c->_red, c->_green, c->_blue, c->_alpha);
}
inline void clear() { _red = _green = _blue = _alpha = -1.0f; }
// merges in non-negative components from property with children <red> etc.
bool merge(const SGPropertyNode *prop);
- bool merge(const FGColor& color);
+ bool merge(const FGColor *color);
bool set(const SGPropertyNode *prop) { clear(); return merge(prop); };
- bool set(const FGColor& color) { clear(); return merge(color); }
+ bool set(const FGColor *color) { clear(); return merge(color); }
bool set(float r, float g, float b, float a = 1.0f) {
_red = r, _green = g, _blue = b, _alpha = a;
return true;
}
bool isValid() const {
- return _red >= 0.0 && _green >= 0.0 && _blue >= 0.0
- && _alpha >= 0.0;
+ return _red >= 0.0 && _green >= 0.0 && _blue >= 0.0;
}
void print() const {
std::cerr << "red=" << _red << ", green=" << _green
inline float red() const { return clamp(_red); }
inline float green() const { return clamp(_green); }
inline float blue() const { return clamp(_blue); }
- inline float alpha() const { return clamp(_alpha); }
+ inline float alpha() const { return _alpha < 0.0 ? 1.0 : clamp(_alpha); }
protected:
float _red, _green, _blue, _alpha;
};
+
+/**
+ * A small class to keep all fonts available for future use.
+ * This also assures a font isn't resident more than once.
+ */
+class FGFontCache {
+private:
+ struct fnt {
+ fnt(puFont *pu = 0) : pufont(pu), texfont(0) {}
+ ~fnt() { if (texfont) { delete pufont; delete texfont; } }
+ puFont *pufont;
+ fntTexFont *texfont;
+ };
+ SGPath _path;
+
+ map<const string,fnt *> _fonts;
+ typedef map<const string,fnt *>::const_iterator _itt_t;
+ bool _initialized;
+ struct fnt *getfnt(const char *name, float size, float slant);
+
+public:
+ FGFontCache();
+ ~FGFontCache();
+
+ puFont *get(const char *name, float size=15.0, float slant=0.0);
+ puFont *get(SGPropertyNode *node);
+
+ fntTexFont *getTexFont(const char *name, float size=15.0, float slant=0.0);
+};
+
+
#endif // __NEW_GUI_HXX
projects / flightgear.git / blobdiff