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src / celestia / gtk

common.h File Reference

#include <gtk/gtk.h>
#include <celengine/render.h>
#include <celengine/simulation.h>
#include <celestia/celestiacore.h>

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Defines

#define CELSPACING   8

Typedefs

typedef _AppData AppData

Functions

gint buttonMake (GtkWidget *hbox, const char *txt, GtkSignalFunc func, gpointer data)
int getWinHeight (AppData *app)
int getWinWidth (AppData *app)
int getWinX (AppData *app)
int getWinY (AppData *app)
void makeRadioItems (const char *const *labels, GtkWidget *box, GtkSignalFunc sigFunc, GtkToggleButton **gads, gpointer data)
char * readFromFile (const char *fname)
void setDefaultRenderFlags (AppData *app)
void setSaneAltSurface (AppData *app, char *value)
void setSaneAmbientLight (AppData *app, float value)
void setSaneGalaxyLightGain (float value)
void setSaneStarStyle (AppData *app, Renderer::StarStyle value)
void setSaneVerbosity (AppData *app, int value)
void setSaneVisualMagnitude (AppData *app, float value)
void setSaneWinPosition (AppData *app, int x, int y)
void setSaneWinSize (AppData *app, int x, int y)
gint tzOffsetAtDate (astro::Date date)
void updateTimeZone (AppData *app, gboolean local)

Variables

static const float amLevels []
const char *const monthOptions []
static const int resolutions []

Define Documentation

#define CELSPACING   8
 

Definition at line 141 of file common.h.

Referenced by actionOpenURL(), actionSearchObject(), actionViewerSize(), dialogEclipseFinder(), dialogGotoObject(), dialogSolarBrowser(), dialogStarBrowser(), dialogTourGuide(), and dialogViewOptions().

Typedef Documentation

typedef struct _AppData AppData
 

Definition at line 31 of file common.h.

Function Documentation

gint buttonMake (  GtkWidget *  hbox,
const char *  txt,
GtkSignalFunc  func,
gpointer  data
) 
 

Definition at line 53 of file common.cpp.

Referenced by dialogEclipseFinder(), dialogSolarBrowser(), and dialogStarBrowser().

00054 {
00055         GtkWidget* button = gtk_button_new_with_label(txt);
00056 
00057         gtk_box_pack_start(GTK_BOX (hbox), button, TRUE, TRUE, 0);
00058         g_signal_connect(GTK_OBJECT(button), "pressed", func, data);
00059         
00060         return 0;
00061 }

int getWinHeight (  AppData *  app  ) 
 

Definition at line 126 of file common.cpp.

Referenced by confWinHeight(), confWinWidth(), saveSettingsFile(), and saveSettingsGConf().

00127 {
00128         if (app->fullScreen)
00129                 return GPOINTER_TO_INT(g_object_get_data(G_OBJECT(app->mainWindow), "sizeY"));
00130         else
00131                 return app->glArea->allocation.height;
00132 }

int getWinWidth (  AppData *  app  ) 
 

Definition at line 116 of file common.cpp.

Referenced by confWinHeight(), confWinWidth(), saveSettingsFile(), and saveSettingsGConf().

00117 {
00118         if (app->fullScreen)
00119                 return GPOINTER_TO_INT(g_object_get_data(G_OBJECT(app->mainWindow), "sizeX"));
00120         else
00121                 return app->glArea->allocation.width;
00122 }

int getWinX (  AppData *  app  ) 
 

Definition at line 136 of file common.cpp.

Referenced by confWinX(), confWinY(), saveSettingsFile(), and saveSettingsGConf().

00137 {
00138         int positionX;
00139         
00140         if (app->fullScreen)
00141                 return GPOINTER_TO_INT(g_object_get_data(G_OBJECT(app->mainWindow), "positionX"));
00142         else
00143         {
00144                 gtk_window_get_position(GTK_WINDOW(app->mainWindow), &positionX, NULL);
00145                 return positionX;
00146         }
00147 }

int getWinY (  AppData *  app  ) 
 

Definition at line 151 of file common.cpp.

Referenced by confWinX(), confWinY(), saveSettingsFile(), and saveSettingsGConf().

00152 {
00153         int positionY;
00154         
00155         if (app->fullScreen)
00156                 return GPOINTER_TO_INT(g_object_get_data(G_OBJECT(app->mainWindow), "positionY"));
00157         else
00158         {
00159                 gtk_window_get_position(GTK_WINDOW(app->mainWindow), NULL, &positionY);
00160                 return positionY;
00161         }
00162 }

void makeRadioItems (  const char *const *  labels,
GtkWidget *  box,
GtkSignalFunc  sigFunc,
GtkToggleButton **  gads,
gpointer  data
) 
 

Definition at line 65 of file common.cpp.

Referenced by dialogGotoObject(), and dialogStarBrowser().

00066 {
00067         GSList *group = NULL;
00068 
00069         for (gint i=0; labels[i]; i++)
00070         {
00071                 GtkWidget *button = gtk_radio_button_new_with_label(group, labels[i]);
00072 
00073                 if (gads)
00074                         gads[i] = GTK_TOGGLE_BUTTON(button);
00075 
00076                 group = gtk_radio_button_group(GTK_RADIO_BUTTON(button));
00077                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), (i == 0)?1:0);
00078 
00079                 gtk_box_pack_start(GTK_BOX(box), button, TRUE, TRUE, 0);
00080                 gtk_widget_show (button);
00081                 g_signal_connect(GTK_OBJECT(button), "pressed", sigFunc, GINT_TO_POINTER(i));
00082 
00083                 if (data != NULL)
00084                         g_object_set_data(G_OBJECT(button), "data", data);
00085         }
00086 }

char* readFromFile (  const char *  fname  ) 
 

Definition at line 90 of file common.cpp.

Referenced by actionHelpAbout(), and actionHelpControls().

00091 {
00092         ifstream textFile(fname, ios::in);
00093         string s("");
00094         if (!textFile.is_open())
00095         {
00096                 s = "Unable to open file '";
00097                 s += fname ;
00098                 s += "', probably due to improper installation !\n";
00099         }
00100 
00101         char c;
00102         while(textFile.get(c))
00103         {
00104                 if (c == '\t')
00105                         s += "        ";  /* 8 spaces */
00106                 else if (c == '\014')     /* Ctrl+L (form feed) */
00107                         s += "\n\n\n\n";
00108                 else
00109                         s += c;
00110         }
00111         return g_strdup(s.c_str());
00112 }

void setDefaultRenderFlags (  AppData *  app  ) 
 

Definition at line 256 of file common.cpp.

Referenced by applySettingsFileMain().

00257 {
00258         app->renderer->setRenderFlags(Renderer::ShowAtmospheres |
00259                                       Renderer::ShowAutoMag |
00260                                       Renderer::ShowStars |
00261                                       Renderer::ShowPlanets |
00262                                       Renderer::ShowSmoothLines |
00263                                       Renderer::ShowCometTails |
00264                                       Renderer::ShowRingShadows |
00265                                       Renderer::ShowCloudMaps |
00266                                       Renderer::ShowRingShadows |
00267                                       Renderer::ShowEclipseShadows |
00268                                       Renderer::ShowGalaxies |
00269                                       Renderer::ShowNebulae |
00270                                       Renderer::ShowNightMaps);
00271 }

void setSaneAltSurface (  AppData *  app,
char *  value
) 
 

Definition at line 216 of file common.cpp.

Referenced by applySettingsFileMain(), applySettingsGConfMain(), and confAltSurfaceName().

00217 {
00218         if (value == NULL)
00219                 value = (char*)"";
00220         
00221         app->simulation->getActiveObserver()->setDisplayedSurface(value);
00222 }

void setSaneAmbientLight (  AppData *  app,
float  value
) 
 

Definition at line 166 of file common.cpp.

Referenced by applySettingsFileMain(), applySettingsGConfMain(), and confAmbientLight().

00167 {
00168         if (value < 0.0 || value > 1.0)
00169                 value = amLevels[1]; /* Default to "Low" */
00170         
00171         app->renderer->setAmbientLightLevel(value);
00172 }

void setSaneGalaxyLightGain (  float  value  ) 
 

Definition at line 186 of file common.cpp.

References Galaxy::setLightGain().

Referenced by applySettingsFileMain(), applySettingsGConfMain(), and confGalaxyLightGain().

00187 {
00188         if (value < 0.0 || value > 1.0)
00189                 value = 0.0f; /* Default */
00190         
00191         Galaxy::setLightGain(value);
00192 }

void setSaneStarStyle (  AppData *  app,
Renderer::StarStyle  value
) 
 

Definition at line 206 of file common.cpp.

Referenced by applySettingsFileMain(), applySettingsGConfMain(), and confStarStyle().

00207 {
00208         if (value < Renderer::FuzzyPointStars || value > Renderer::ScaledDiscStars)
00209                 value = Renderer::FuzzyPointStars;
00210         
00211         app->renderer->setStarStyle(value);
00212 }

void setSaneVerbosity (  AppData *  app,
int  value
) 
 

Definition at line 196 of file common.cpp.

Referenced by applySettingsFileMain(), applySettingsGConfMain(), and confVerbosity().

00197 {
00198         if (value < 0 || value > 2)
00199                 value = 1; /* Default to "Terse" */
00200         
00201         app->core->setHudDetail(value);
00202 }

void setSaneVisualMagnitude (  AppData *  app,
float  value
) 
 

Definition at line 176 of file common.cpp.

Referenced by applySettingsFileMain(), applySettingsGConfMain(), and confVisualMagnitude().

00177 {
00178         if (value < 0.0 || value > 100.0)
00179                 value = 8.5f; /* Default from Simulation::Simulation() */
00180         
00181         app->simulation->setFaintestVisible(value);
00182 }

void setSaneWinPosition (  AppData *  app,
int  x,
int  y
) 
 

Definition at line 242 of file common.cpp.

Referenced by applySettingsFilePre(), applySettingsGConfPre(), confWinX(), and confWinY().

00243 {
00244         int screenX = gdk_screen_get_width(gdk_screen_get_default());
00245         int screenY = gdk_screen_get_height(gdk_screen_get_default());
00246 
00247         /* This one is different than the others because we don't have a default */
00248         if (x > 0 && x < screenX && y > 0 && y < screenY)
00249         {
00250                 gtk_window_move(GTK_WINDOW(app->mainWindow), x, y);
00251         }
00252 }

void setSaneWinSize (  AppData *  app,
int  x,
int  y
) 
 

Definition at line 226 of file common.cpp.

Referenced by applySettingsFilePre(), applySettingsGConfPre(), confWinHeight(), and confWinWidth().

00227 {
00228         int screenX = gdk_screen_get_width(gdk_screen_get_default());
00229         int screenY = gdk_screen_get_height(gdk_screen_get_default());
00230         
00231         if (x < 320 || x > screenX || y < 240 || y > screenY)
00232         {
00233                 x = 640;
00234                 y = 480;
00235         }
00236         
00237         gtk_widget_set_size_request(app->glArea, x, y);
00238 }

gint tzOffsetAtDate (  astro::Date  date  ) 
 

Definition at line 26 of file common.cpp.

References astro::julianDateToSeconds().

Referenced by dialogSetTime(), and updateTimeZone().

00027 {
00028         #ifdef WIN32
00029         /* This does not correctly handle DST. Unfortunately, no way to find
00030          * out what UTC offset is at specified date in Windows */
00031         return -timezone;
00032         #else
00033         time_t time = (time_t)astro::julianDateToSeconds(date - astro::Date(1970, 1, 1));
00034         struct tm *d = localtime(&time);
00035         
00036         return (gint)d->tm_gmtoff;
00037         #endif
00038 }

void updateTimeZone (  AppData *  app,
gboolean  local
) 
 

Definition at line 42 of file common.cpp.

References tzOffsetAtDate().

Referenced by actionTimeLocal(), confShowLocalTime(), and initRealize().

00043 {
00044         if (local)
00045                 /* Always base current time zone on simulation date */
00046                 app->core->setTimeZoneBias(tzOffsetAtDate(app->simulation->getTime()));
00047         else
00048                 app->core->setTimeZoneBias(0);
00049 }

Variable Documentation

const float amLevels[] [static]
 

Initial value:

{
    0.0, 
    0.1,
    0.25
}

Definition at line 120 of file common.h.

const char* const monthOptions[]
 

Initial value:

 
{
    "January",
    "February",
    "March",
    "April",
    "May",
    "June",
    "July",
    "August",
    "September",
    "October",
    "November",
    "December",
    NULL
}

Definition at line 103 of file common.h.

Referenced by dialogSetTime(), and setButtonDateString().

const int resolutions[] [static]
 

Initial value:

{
        0,        
        640,
        800,
        1024,
        1152,
        1280,
        1400,
        1600,
        -1        
}

Definition at line 127 of file common.h.

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