X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FGUI%2Fnew_gui.hxx;h=0797d53a66ac8551f4b8adc9e0362b00fd832297;hb=c5366cceb6d345d3526ab013b04eb815fe0a6845;hp=f39ddd232676688224840736c8fe7f9943b8bd8d;hpb=06665909090d40adc9fcea3f65f81fcfaf2480fb;p=flightgear.git

diff --git a/src/GUI/new_gui.hxx b/src/GUI/new_gui.hxx
index f39ddd232..0797d53a6 100644
--- a/src/GUI/new_gui.hxx
+++ b/src/GUI/new_gui.hxx
@@ -3,33 +3,22 @@
 #ifndef __NEW_GUI_HXX
 #define __NEW_GUI_HXX 1
 
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
 #include <plib/pu.h>
 
-#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 <functional>
 #include <vector>
 #include <map>
 
-SG_USING_STD(vector);
-SG_USING_STD(map);
-SG_USING_STD(string);
-
 #include <Main/fg_props.hxx>
 
+class SGBinding;
+
 class FGMenuBar;
 class FGDialog;
-class FGBinding;
 class FGColor;
 class FGFontCache;
 
@@ -63,7 +52,7 @@ public:
     virtual void init ();
 
     /**
-     * Reinitialize the GUI subsystem.
+     * Reinitialize the GUI subsystem. Reloads all XML dialogs.
      */
     virtual void reinit ();
 
@@ -88,6 +77,11 @@ public:
      */
     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
@@ -112,7 +106,7 @@ public:
      * @param name The name of the dialog box.
      * @return true if the dialog exists, false otherwise.
      */
-    virtual bool showDialog (const string &name);
+    virtual bool showDialog (const std::string &name);
 
 
     /**
@@ -131,14 +125,20 @@ public:
      * @param name The name of the dialog box.
      * @return true if the dialog was active, false otherwise.
      */
-    virtual bool closeDialog (const string &name);
+    virtual bool closeDialog (const std::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 std::string &name);
 
     /**
      * Return a pointer to the current menubar.
      */
     virtual FGMenuBar * getMenuBar ();
 
-
     /**
      * Ignore this method.
      *
@@ -154,27 +154,29 @@ public:
      */
     virtual FGDialog * getActiveDialog ();
 
+
+    /**
+     * Get the named dialog if active.
+     *
+     * @return The named dialog, or 0 if it isn't active.
+     */
+    virtual FGDialog * getDialog (const std::string &name);
+
+
     virtual FGColor *getColor (const char * name) const {
-        _itt_t it = _colors.find(name);
+        _citt_t it = _colors.find(name);
         return (it != _colors.end()) ? it->second : NULL;
     }
-    virtual FGColor *getColor (const string &name) const {
-        _itt_t it = _colors.find(name.c_str());
+    virtual FGColor *getColor (const std::string &name) const {
+        _citt_t it = _colors.find(name.c_str());
         return (it != _colors.end()) ? it->second : NULL;
     }
 
-    virtual puFont *getDefaultFont() { return &_font; }
+    virtual puFont *getDefaultFont() { return _font; }
 
 
-    /**
-     * menu wide font cache, accessible from other classes as well.
-     */
-    FGFontCache *get_fontcache() { return _fontcache; }
-
 protected:
 
-    FGFontCache * _fontcache;
-
     /**
      * Test if the menubar is visible.
      *
@@ -192,22 +194,37 @@ protected:
     virtual void setStyle ();
     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<const char*,FGColor*> _colors;
-    typedef map<const char*,FGColor*>::const_iterator _itt_t;
+    struct ltstr
+    {
+        bool operator()(const char* s1, const char* s2) const {
+            return strcmp(s1, s2) < 0;
+        }
+    };
+
+    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;
 
-    // Free all allocated memory.
-    void clear ();
+    void clear_colors();
 
     // Read all the configuration files in a directory.
-    void readDir (const char * path);
+    void readDir (const SGPath& path);
 
     FGMenuBar * _menubar;
     FGDialog * _active_dialog;
-    map<string,FGDialog *> _active_dialogs;
-    map<string,SGPropertyNode_ptr> _dialog_props;
+    std::map<std::string,FGDialog *> _active_dialogs;
+    std::map<std::string,SGPropertyNode_ptr> _dialog_props;
 
 };
 
@@ -235,10 +252,7 @@ public:
     bool isValid() const {
         return _red >= 0.0 && _green >= 0.0 && _blue >= 0.0;
     }
-    void print() const {
-        std::cerr << "red=" << _red << ", green=" << _green
-        << ", blue=" << _blue << ", alpha=" << _alpha << std::endl;
-    }
+    void print() const;
 
     inline void setRed(float red) { _red = red; }
     inline void setGreen(float green) { _green = green; }
@@ -260,15 +274,51 @@ private:
 
 
 /**
- * A small class to keep all fonts available for future use.
+ * A class to keep all fonts available for future use.
  * This also assures a font isn't resident more than once.
  */
 class FGFontCache {
 private:
+    // The parameters of a request to the cache.
+    struct FntParams
+    {
+        const std::string name;
+        const float size;
+        const float slant;
+        FntParams() : size(0.0f), slant(0.0f) {}
+        FntParams(const FntParams& rhs)
+            : name(rhs.name), size(rhs.size), slant(rhs.slant)
+        {
+        }
+        FntParams(const std::string& name_, float size_, float slant_)
+            : name(name_), size(size_), slant(slant_)
+        {
+        }
+    };
+    struct FntParamsLess
+        : public std::binary_function<const FntParams, const FntParams, bool>
+    {
+        bool operator() (const FntParams& f1, const FntParams& f2) const;
+    };
+    struct fnt {
+        fnt(puFont *pu = 0) : pufont(pu), texfont(0) {}
+        ~fnt() { if (texfont) { delete pufont; delete texfont; } }
+        // Font used by plib GUI code
+        puFont *pufont;
+        // TXF font
+        fntTexFont *texfont;
+    };
+    // Path to the font directory
     SGPath _path;
 
-    map<const char*,puFont*> _fonts;
-    typedef map<const char*,puFont*>::iterator _itt_t;
+    typedef map<const string, fntTexFont*> TexFontMap;
+    typedef map<const FntParams, fnt*, FntParamsLess> PuFontMap;
+    TexFontMap _texFonts;
+    PuFontMap _puFonts;
+
+    bool _initialized;
+    struct fnt *getfnt(const char *name, float size, float slant);
+    void init();
 
 public:
     FGFontCache();
@@ -276,6 +326,18 @@ public:
 
     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);
+
+    SGPath getfntpath(const char *name);
+    /**
+     * Preload all the fonts in the FlightGear font directory. It is
+     * important to load the font textures early, with the proper
+     * graphics context current, so that no plib (or our own) code
+     * tries to load a font from disk when there's no current graphics
+     * context.
+     */
+    bool initializeFonts();
 };