2f8beb56ea
src/GUI/new_gui.cxx src/GUI/new_gui.hxx src/Main/main.cxx src/Main/renderer.cxx src/Main/renderer.hxx src/Main/splash.cxx src/Main/splash.hxx src/Scenery/scenery.hxx: Move splash screen into the scenegraph.
324 lines
8.6 KiB
C++
324 lines
8.6 KiB
C++
// new_gui.hxx - XML-configured GUI subsystem.
|
|
|
|
#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 <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 FGColor;
|
|
class FGFontCache;
|
|
|
|
|
|
/**
|
|
* XML-configured GUI subsystem.
|
|
*
|
|
* This subsystem manages the graphical user interface for FlightGear.
|
|
* It creates a menubar from the XML configuration file in
|
|
* $FG_ROOT/gui/menubar.xml, then stores the configuration properties
|
|
* for XML-configured dialog boxes found in $FG_ROOT/gui/dialogs/. It
|
|
* can show or hide the menubar, and can display any dialog by name.
|
|
*/
|
|
class NewGUI : public SGSubsystem
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* Constructor.
|
|
*/
|
|
NewGUI ();
|
|
|
|
/**
|
|
* Destructor.
|
|
*/
|
|
virtual ~NewGUI ();
|
|
|
|
/**
|
|
* Initialize the GUI subsystem.
|
|
*/
|
|
virtual void init ();
|
|
|
|
/**
|
|
* Reinitialize the GUI subsystem. Reloads all XML dialogs.
|
|
*/
|
|
virtual void reinit ();
|
|
|
|
/**
|
|
* Bind properties for the GUI subsystem.
|
|
*
|
|
* Currently, this method binds the properties for showing and
|
|
* hiding the menu.
|
|
*/
|
|
virtual void bind ();
|
|
|
|
/**
|
|
* Unbind properties for the GUI subsystem.
|
|
*/
|
|
virtual void unbind ();
|
|
|
|
/**
|
|
* Update the GUI subsystem.
|
|
*
|
|
* Currently, this method is a no-op, because nothing the GUI
|
|
* subsystem does is time-dependent.
|
|
*/
|
|
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
|
|
* resulting dialog. If a pre-existing dialog of the same name
|
|
* exists, it will be deleted. The node argument will be stored
|
|
* in the GUI subsystem using SGPropertNode_ptr reference counting.
|
|
* It should not be deleted by user code.
|
|
*
|
|
* @param node A property node containing the dialog definition
|
|
*/
|
|
virtual void newDialog (SGPropertyNode* node);
|
|
|
|
/**
|
|
* Display a dialog box.
|
|
*
|
|
* At initialization time, the subsystem reads all of the XML
|
|
* configuration files from the directory $FG_ROOT/gui/dialogs/.
|
|
* The configuration for each dialog specifies a name, and this
|
|
* method invokes the dialog with the name specified (if it
|
|
* exists).
|
|
*
|
|
* @param name The name of the dialog box.
|
|
* @return true if the dialog exists, false otherwise.
|
|
*/
|
|
virtual bool showDialog (const string &name);
|
|
|
|
|
|
/**
|
|
* Close the currenty active dialog. This function is intended to
|
|
* be called from code (pui callbacks, for instance) that registers
|
|
* its dialog object as active via setActiveDialog(). Other
|
|
* user-level code should use the closeDialog(name) API.
|
|
*
|
|
* @return true if a dialog was active, false otherwise
|
|
*/
|
|
virtual bool closeActiveDialog ();
|
|
|
|
/**
|
|
* Close a named dialog, if it is open.
|
|
*
|
|
* @param name The name of the dialog box.
|
|
* @return true if the dialog was active, false otherwise.
|
|
*/
|
|
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.
|
|
*
|
|
* This method is for internal use only, but it has to be public
|
|
* so that a non-class callback can see it.
|
|
*/
|
|
virtual void setActiveDialog (FGDialog * dialog);
|
|
|
|
/**
|
|
* Get the dialog currently active, if any.
|
|
*
|
|
* @return The active dialog, or 0 if none is active.
|
|
*/
|
|
virtual FGDialog * getActiveDialog ();
|
|
|
|
|
|
/**
|
|
* 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:
|
|
|
|
/**
|
|
* Test if the menubar is visible.
|
|
*
|
|
* This method exists only for binding.
|
|
*/
|
|
virtual bool getMenuBarVisible () const;
|
|
|
|
/**
|
|
* Show or hide the menubar.
|
|
*
|
|
* This method exists only for binding.
|
|
*/
|
|
virtual void setMenuBarVisible (bool visible);
|
|
|
|
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:
|
|
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;
|
|
|
|
void clear_colors();
|
|
|
|
// Read all the configuration files in a directory.
|
|
void readDir (const char * path);
|
|
|
|
FGMenuBar * _menubar;
|
|
FGDialog * _active_dialog;
|
|
map<string,FGDialog *> _active_dialogs;
|
|
map<string,SGPropertyNode_ptr> _dialog_props;
|
|
|
|
};
|
|
|
|
|
|
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(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 set(const SGPropertyNode *prop) { clear(); return merge(prop); };
|
|
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;
|
|
}
|
|
void print() const {
|
|
std::cerr << "red=" << _red << ", green=" << _green
|
|
<< ", blue=" << _blue << ", alpha=" << _alpha << std::endl;
|
|
}
|
|
|
|
inline void setRed(float red) { _red = red; }
|
|
inline void setGreen(float green) { _green = green; }
|
|
inline void setBlue(float blue) { _blue = blue; }
|
|
inline void setAlpha(float alpha) { _alpha = alpha; }
|
|
|
|
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 _alpha < 0.0 ? 1.0 : clamp(_alpha); }
|
|
|
|
protected:
|
|
float _red, _green, _blue, _alpha;
|
|
|
|
private:
|
|
float clamp(float f) const { return f < 0.0 ? 0.0 : f > 1.0 ? 1.0 : f; }
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
* 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);
|
|
|
|
SGPath getfntpath(const char *name);
|
|
};
|
|
|
|
|
|
#endif // __NEW_GUI_HXX
|
|
|