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flightgear/src/GUI/gui_funcs.cxx
ehofman 4b116a1196 Melchior FRANZ: 
The dialog handling has been written at a time when only one dialog was
shown at the same time, and dialogs were shallow -- with only children, but
no grand-children. This makes finding a draggable spot on modern, dialogs
with nested objects quite a challenge. The patches fixes this, and other things:

- check full object tree on button press, not only the outmost layer;
  and don't give up just because we are in *something* (which could well be
  something harmless, like a group); only ignore a few, sensible objects
  (we don't want to drag after a click on a button or into an input field)

- don't lose dialogs as easily when dragging too fast (it does still happen
  if one manages to enter an editable field while dragging, but this is
  a plib problem and I don't feel like fixing that now  :-)

- don't "live"-update input fields while they are in edit mode

- remove some "if (foo) delete foo;" redundancy
2005-03-24 13:41:43 +00:00

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/**************************************************************************
* gui_funcs.cxx
*
* Based on gui.cxx and renamed on 2002/08/13 by Erik Hofman.
*
* Written 1998 by Durk Talsma, started Juni, 1998. For the flight gear
* project.
*
* Additional mouse supported added by David Megginson, 1999.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <simgear/compiler.h>
#ifdef SG_MATH_EXCEPTION_CLASH
# include <math.h>
#endif
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#include SG_GL_H
#if defined(FX) && defined(XMESA)
# include <GL/xmesa.h>
#endif
#include STL_FSTREAM
#include STL_STRING
#include <stdlib.h>
#include <string.h>
// for help call back
#ifdef WIN32
# include <shellapi.h>
# ifdef __CYGWIN__
# include <sys/cygwin.h>
# endif
#endif
#include <plib/ssg.h>
#include <simgear/constants.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/screen/screen-dump.hxx>
#include <Include/general.hxx>
#include <Aircraft/aircraft.hxx>
#include <Airports/simple.hxx>
#include <Autopilot/auto_gui.hxx>
#include <Cockpit/panel.hxx>
#include <Controls/controls.hxx>
#include <FDM/flight.hxx>
#include <Main/main.hxx>
#include <Main/fg_init.hxx>
#include <Main/fg_io.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
#include <Main/renderer.hxx>
#include <Main/viewmgr.hxx>
#if defined( WIN32 ) && !defined( __CYGWIN__ ) && !defined(__MINGW32__)
# include <simgear/screen/win32-printer.h>
# include <simgear/screen/GlBitmaps.h>
#endif
#include "gui.h"
#include "gui_local.hxx"
#include "preset_dlg.hxx"
#include "prop_picker.hxx"
#include "sgVec3Slider.hxx"
SG_USING_STD(string);
SG_USING_STD(cout);
extern void fgHUDalphaAdjust( puObject * );
// from cockpit.cxx
extern void fgLatLonFormatToggle( puObject *);
#if defined( TR_HIRES_SNAP)
#include <simgear/screen/tr.h>
extern void fgUpdateHUD( GLfloat x_start, GLfloat y_start,
GLfloat x_end, GLfloat y_end );
#endif
puDialogBox *dialogBox = 0;
puFrame *dialogFrame = 0;
puText *dialogBoxMessage = 0;
puOneShot *dialogBoxOkButton = 0;
puDialogBox *YNdialogBox = 0;
puFrame *YNdialogFrame = 0;
puText *YNdialogBoxMessage = 0;
puOneShot *YNdialogBoxOkButton = 0;
puOneShot *YNdialogBoxNoButton = 0;
char *gui_msg_OK; // "OK"
char *gui_msg_NO; // "NO"
char *gui_msg_YES; // "YES"
char *gui_msg_CANCEL; // "CANCEL"
char *gui_msg_RESET; // "RESET"
char msg_OK[] = "OK";
char msg_NO[] = "NO";
char msg_YES[] = "YES";
char msg_CANCEL[] = "Cancel";
char msg_RESET[] = "Reset";
char global_dialog_string[256];
const __fg_gui_fn_t __fg_gui_fn[] = {
// File
{"saveFlight", saveFlight},
{"loadFlight", loadFlight},
{"reInit", reInit},
#ifdef TR_HIRES_SNAP
{"dumpHiResSnapShot", fgHiResDumpWrapper},
#endif
{"dumpSnapShot", fgDumpSnapShotWrapper},
#if defined( WIN32 ) && !defined( __CYGWIN__) && !defined(__MINGW32__)
{"printScreen", printScreen},
#endif
{"MayBeGoodBye", MayBeGoodBye},
//View
{"guiTogglePanel", guiTogglePanel},
{"PilotOffsetAdjust", PilotOffsetAdjust},
{"fgHUDalphaAdjust", fgHUDalphaAdjust},
{"prop_pickerView", prop_pickerView},
// Environment
{"fgPresetAirport", fgPresetAirport},
{"fgPresetRunway", fgPresetRunway},
{"fgPresetOffsetDistance", fgPresetOffsetDistance},
{"fgPresetAltitude", fgPresetAltitude},
{"fgPresetGlideslope", fgPresetGlideslope},
{"fgPresetAirspeed", fgPresetAirspeed},
{"fgPresetCommit", fgPresetCommit},
// Autopilot
{"NewAltitude", NewAltitude},
{"NewHeading", NewHeading},
{"AddWayPoint", AddWayPoint},
{"PopWayPoint", PopWayPoint},
{"ClearRoute", ClearRoute},
{"fgLatLonFormatToggle", fgLatLonFormatToggle},
// Help
{"helpCb", helpCb},
// Structure termination
{"", NULL}
};
/* ================ General Purpose Functions ================ */
void initDialog(void) {
// Initialize our GLOBAL GUI STRINGS
gui_msg_OK = msg_OK; // "OK"
gui_msg_NO = msg_NO; // "NO"
gui_msg_YES = msg_YES; // "YES"
gui_msg_CANCEL = msg_CANCEL; // "CANCEL"
gui_msg_RESET = msg_RESET; // "RESET"
}
// General Purpose Message Box
void mkDialog (const char *txt)
{
strncpy(global_dialog_string, txt, 256);
dialogBoxMessage->setLabel(global_dialog_string);
FG_PUSH_PUI_DIALOG( dialogBox );
}
// Message Box to report an error.
void guiErrorMessage (const char *txt)
{
SG_LOG(SG_GENERAL, SG_ALERT, txt);
if (dialogBox != 0)
mkDialog(txt);
}
// Message Box to report a throwable (usually an exception).
void guiErrorMessage (const char *txt, const sg_throwable &throwable)
{
string msg = txt;
msg += '\n';
msg += throwable.getFormattedMessage();
if (!throwable.getOrigin().empty()) {
msg += "\n (reported by ";
msg += throwable.getOrigin();
msg += ')';
}
SG_LOG(SG_GENERAL, SG_ALERT, msg);
if (dialogBox != 0)
mkDialog(msg.c_str());
}
// Intercept the Escape Key
void ConfirmExitDialog(void)
{
FG_PUSH_PUI_DIALOG( YNdialogBox );
}
/* -----------------------------------------------------------------------
the Gui callback functions
____________________________________________________________________*/
// Hier Neu :-) This is my newly added code
// Added by David Findlay <nedz@bigpond.com>
// on Sunday 3rd of December
// Start new Save Dialog Box
puDialogBox *SaveDialog = 0;
puFrame *SaveDialogFrame = 0;
puText *SaveDialogMessage = 0;
puInput *SaveDialogInput = 0;
puOneShot *SaveDialogOkButton = 0;
puOneShot *SaveDialogCancelButton = 0;
// static puOneShot *SaveDialogResetButton = 0;
// Default save filename
char saveFile[256] = "fgfs.sav";
// Cancel Button
void SaveDialogCancel(puObject *) {
FG_POP_PUI_DIALOG( SaveDialog );
}
// If press OK do this
void SaveDialogOk(puObject*) {
FG_POP_PUI_DIALOG( SaveDialog );
char *s;
SaveDialogInput->getValue(&s);
ofstream output(s);
// cout << saveFile << endl;
if (output.good() && fgSaveFlight(output)) {
output.close();
mkDialog("Saved flight");
SG_LOG(SG_INPUT, SG_INFO, "Saved flight");
} else {
mkDialog("Cannot save flight");
SG_LOG(SG_INPUT, SG_ALERT, "Cannot save flight");
}
}
// Create Dialog
void saveFlight(puObject *cv) {
SaveDialog = new puDialogBox (150, 50);
{
SaveDialogFrame = new puFrame (0,0,350, 150);
SaveDialogMessage
= new puText( (150 - puGetDefaultLabelFont().getStringWidth( "File Name:" ) / 2), 110 );
SaveDialogMessage -> setLabel ("File Name:");
SaveDialogInput = new puInput (50, 70, 300, 100);
SaveDialogInput -> setValue (saveFile);
SaveDialogInput -> acceptInput();
SaveDialogOkButton = new puOneShot (50, 10, 110, 50);
SaveDialogOkButton -> setLegend (gui_msg_OK);
SaveDialogOkButton -> setCallback ( SaveDialogOk );
SaveDialogOkButton -> makeReturnDefault(TRUE);
SaveDialogCancelButton = new puOneShot (140, 10, 210, 50);
SaveDialogCancelButton -> setLegend (gui_msg_CANCEL);
SaveDialogCancelButton -> setCallback ( SaveDialogCancel );
}
FG_FINALIZE_PUI_DIALOG( SaveDialog );
SaveDialog -> reveal();
}
// Load Dialog Start
puDialogBox *LoadDialog = 0;
puFrame *LoadDialogFrame = 0;
puText *LoadDialogMessage = 0;
puInput *LoadDialogInput = 0;
puOneShot *LoadDialogOkButton = 0;
puOneShot *LoadDialogCancelButton = 0;
// static puOneShot *LoadDialogResetButton = 0;
// Default load filename
char loadFile[256] = "fgfs.sav";
// Do this if the person click okay
void LoadDialogOk(puObject *) {
FG_POP_PUI_DIALOG( LoadDialog );
char *l;
LoadDialogInput->getValue(&l);
ifstream input(l);
if (input.good() && fgLoadFlight(input)) {
input.close();
mkDialog("Loaded flight");
SG_LOG(SG_INPUT, SG_INFO, "Restored flight");
} else {
mkDialog("Failed to load flight");
SG_LOG(SG_INPUT, SG_ALERT, "Cannot load flight");
}
}
// Do this if the person presses cancel
void LoadDialogCancel(puObject *) {
FG_POP_PUI_DIALOG( LoadDialog );
}
// Create Load Dialog
void loadFlight(puObject *cb)
{
LoadDialog = new puDialogBox (150, 50);
{
LoadDialogFrame = new puFrame (0,0,350, 150);
LoadDialogMessage
= new puText( (150 - puGetDefaultLabelFont().getStringWidth( "File Name:" ) / 2), 110 );
LoadDialogMessage -> setLabel ("File Name:");
LoadDialogInput = new puInput (50, 70, 300, 100);
LoadDialogInput -> setValue (loadFile);
LoadDialogInput -> acceptInput();
LoadDialogOkButton = new puOneShot (50, 10, 110, 50);
LoadDialogOkButton -> setLegend (gui_msg_OK);
LoadDialogOkButton -> setCallback ( LoadDialogOk );
LoadDialogOkButton -> makeReturnDefault(TRUE);
LoadDialogCancelButton = new puOneShot (140, 10, 210, 50);
LoadDialogCancelButton -> setLegend (gui_msg_CANCEL);
LoadDialogCancelButton -> setCallback ( LoadDialogCancel );
}
FG_FINALIZE_PUI_DIALOG( LoadDialog );
LoadDialog -> reveal();
}
// This is the accessor function
void guiTogglePanel(puObject *cb)
{
if (fgGetBool("/sim/panel/visibility"))
fgSetBool("/sim/panel/visibility", false);
else
fgSetBool("/sim/panel/visibility", true);
globals->get_renderer()->resize(fgGetInt("/sim/startup/xsize"),
fgGetInt("/sim/startup/ysize"));
}
void goodBye(puObject *)
{
// SG_LOG( SG_INPUT, SG_ALERT,
// "Program exiting normally at user request." );
cout << "Program exiting normally at user request." << endl;
exit(0);
}
void goAwayCb (puObject *me)
{
FG_POP_PUI_DIALOG( dialogBox );
}
void mkDialogInit (void)
{
// printf("mkDialogInit\n");
int x = (fgGetInt("/sim/startup/xsize")/2 - 400/2);
int y = (fgGetInt("/sim/startup/ysize")/2 - 100/2);
dialogBox = new puDialogBox (x, y); // 150, 50
{
dialogFrame = new puFrame (0,0,400,100);
dialogBoxMessage = new puText (10, 70);
dialogBoxMessage -> setLabel ("");
dialogBoxOkButton = new puOneShot (180, 10, 240, 50);
dialogBoxOkButton -> setLegend (gui_msg_OK);
dialogBoxOkButton -> makeReturnDefault (TRUE );
dialogBoxOkButton -> setCallback (goAwayCb);
}
FG_FINALIZE_PUI_DIALOG( dialogBox );
}
void MayBeGoodBye(puObject *)
{
ConfirmExitDialog();
}
void goAwayYesNoCb(puObject *me)
{
FG_POP_PUI_DIALOG( YNdialogBox);
}
void ConfirmExitDialogInit(void)
{
char msg[] = "Really Quit";
char *s;
// printf("ConfirmExitDialogInit\n");
int len = 200 - puGetDefaultLabelFont().getStringWidth ( msg ) / 2;
int x = (fgGetInt("/sim/startup/xsize")/2 - 400/2);
int y = (fgGetInt("/sim/startup/ysize")/2 - 100/2);
YNdialogBox = new puDialogBox (x, y); // 150, 50
{
YNdialogFrame = new puFrame (0,0,400, 100);
YNdialogBoxMessage = new puText (len, 70);
YNdialogBoxMessage -> setDefaultValue (msg);
YNdialogBoxMessage -> getDefaultValue (&s);
YNdialogBoxMessage -> setLabel (s);
YNdialogBoxOkButton = new puOneShot (100, 10, 160, 50);
YNdialogBoxOkButton -> setLegend (gui_msg_OK);
YNdialogBoxOkButton -> makeReturnDefault (TRUE );
YNdialogBoxOkButton -> setCallback (goodBye);
YNdialogBoxNoButton = new puOneShot (240, 10, 300, 50);
YNdialogBoxNoButton -> setLegend (gui_msg_NO);
YNdialogBoxNoButton -> setCallback (goAwayYesNoCb);
}
FG_FINALIZE_PUI_DIALOG( YNdialogBox );
}
void notCb (puObject *)
{
mkDialog ("This function isn't implemented yet");
}
void helpCb (puObject *)
{
string command;
#if defined(FX) && !defined(WIN32)
# if defined(XMESA_FX_FULLSCREEN) && defined(XMESA_FX_WINDOW)
if ( globals->get_fullscreen() ) {
globals->set_fullscreen(false);
XMesaSetFXmode( XMESA_FX_WINDOW );
}
# endif
#endif
SGPath path( globals->get_fg_root() );
path.append( "Docs/index.html" );
#if !defined(WIN32)
string help_app = fgGetString("/sim/startup/browser-app");
if ( system("xwininfo -name Netscape > /dev/null 2>&1") == 0 ) {
command = help_app + " -remote \"openURL(" + path.str() + ")\"";
} else {
command = help_app + " " + path.str();
}
command += " &";
system( command.c_str() );
#else // WIN32
// Look for favorite browser
char Dummy[1024], ExecName[1024], browserParameter[1024];
char win32_name[1024];
# ifdef __CYGWIN__
cygwin32_conv_to_full_win32_path(path.c_str(),win32_name);
# else
strcpy(win32_name,path.c_str());
# endif
Dummy[0] = 0;
FindExecutable(win32_name, Dummy, ExecName);
sprintf(browserParameter, "file:///%s", win32_name);
ShellExecute ( NULL, "open", ExecName, browserParameter, Dummy,
SW_SHOWNORMAL ) ;
#endif
mkDialog ("Help started in your web browser window.");
}
#if defined( TR_HIRES_SNAP)
void fgHiResDump()
{
FILE *f;
string message;
bool show_pu_cursor = false;
char *filename = new char [24];
static int count = 1;
static const SGPropertyNode *master_freeze
= fgGetNode("/sim/freeze/master");
bool freeze = master_freeze->getBoolValue();
if ( !freeze ) {
fgSetBool("/sim/freeze/master", true);
}
TurnCursorOff();
if ( !puCursorIsHidden() ) {
show_pu_cursor = true;
puHideCursor();
}
FGRenderer *renderer = globals->get_renderer();
renderer->init();
renderer->resize( fgGetInt("/sim/startup/xsize"),
fgGetInt("/sim/startup/ysize") );
// we need two render frames here to clear the menu and cursor
// ... not sure why but doing an extra fgRenderFrame() shouldn't
// hurt anything
renderer->update( true );
renderer->update( true );
// This ImageSize stuff is a temporary hack
// should probably use 128x128 tile size and
// support any image size
// This should be a requester to get multiplier from user
int multiplier = fgGetInt("/sim/startup/hires-multiplier", 3);
int width = fgGetInt("/sim/startup/xsize");
int height = fgGetInt("/sim/startup/ysize");
/* allocate buffer large enough to store one tile */
GLubyte *tile = (GLubyte *)malloc(width * height * 3 * sizeof(GLubyte));
if (!tile) {
printf("Malloc of tile buffer failed!\n");
return;
}
int imageWidth = multiplier*width;
int imageHeight = multiplier*height;
/* allocate buffer to hold a row of tiles */
GLubyte *buffer
= (GLubyte *)malloc(imageWidth * height * 3 * sizeof(GLubyte));
if (!buffer) {
free(tile);
printf("Malloc of tile row buffer failed!\n");
return;
}
TRcontext *tr = trNew();
trTileSize(tr, width, height, 0);
trTileBuffer(tr, GL_RGB, GL_UNSIGNED_BYTE, tile);
trImageSize(tr, imageWidth, imageHeight);
trRowOrder(tr, TR_TOP_TO_BOTTOM);
sgFrustum *frustum = ssgGetFrustum();
trFrustum(tr,
frustum->getLeft(), frustum->getRight(),
frustum->getBot(), frustum->getTop(),
frustum->getNear(), frustum->getFar());
/* Prepare ppm output file */
while (count < 1000) {
snprintf(filename, 24, "fgfs-screen-%03d.ppm", count++);
if ( (f = fopen(filename, "r")) == NULL )
break;
fclose(f);
}
f = fopen(filename, "wb");
if (!f) {
printf("Couldn't open image file: %s\n", filename);
free(buffer);
free(tile);
return;
}
fprintf(f,"P6\n");
fprintf(f,"# ppm-file created by %s\n", "trdemo2");
fprintf(f,"%i %i\n", imageWidth, imageHeight);
fprintf(f,"255\n");
/* just to be safe... */
glPixelStorei(GL_PACK_ALIGNMENT, 1);
/* Because the HUD and Panel change the ViewPort we will
* need to handle some lowlevel stuff ourselves */
int ncols = trGet(tr, TR_COLUMNS);
int nrows = trGet(tr, TR_ROWS);
bool do_hud = fgGetBool("/sim/hud/visibility");
GLfloat hud_col_step = 640.0 / ncols;
GLfloat hud_row_step = 480.0 / nrows;
bool do_panel = fgPanelVisible();
GLfloat panel_col_step = globals->get_current_panel()->getWidth() / ncols;
GLfloat panel_row_step = globals->get_current_panel()->getHeight() / nrows;
/* Draw tiles */
int more = 1;
while (more) {
trBeginTile(tr);
int curColumn = trGet(tr, TR_CURRENT_COLUMN);
int curRow = trGet(tr, TR_CURRENT_ROW);
renderer->update( false );
if ( do_hud )
fgUpdateHUD( curColumn*hud_col_step, curRow*hud_row_step,
(curColumn+1)*hud_col_step, (curRow+1)*hud_row_step );
if (do_panel)
globals->get_current_panel()->update(
curColumn*panel_col_step, panel_col_step,
curRow*panel_row_step, panel_row_step );
more = trEndTile(tr);
/* save tile into tile row buffer*/
int curTileWidth = trGet(tr, TR_CURRENT_TILE_WIDTH);
int bytesPerImageRow = imageWidth * 3*sizeof(GLubyte);
int bytesPerTileRow = (width) * 3*sizeof(GLubyte);
int xOffset = curColumn * bytesPerTileRow;
int bytesPerCurrentTileRow = (curTileWidth) * 3*sizeof(GLubyte);
int i;
for (i=0;i<height;i++) {
memcpy(buffer + i*bytesPerImageRow + xOffset, /* Dest */
tile + i*bytesPerTileRow, /* Src */
bytesPerCurrentTileRow); /* Byte count*/
}
if (curColumn == trGet(tr, TR_COLUMNS)-1) {
/* write this buffered row of tiles to the file */
int curTileHeight = trGet(tr, TR_CURRENT_TILE_HEIGHT);
int bytesPerImageRow = imageWidth * 3*sizeof(GLubyte);
int i;
for (i=0;i<curTileHeight;i++) {
/* Remember, OpenGL images are bottom to top. Have to reverse. */
GLubyte *rowPtr = buffer + (curTileHeight-1-i) * bytesPerImageRow;
fwrite(rowPtr, 1, imageWidth*3, f);
}
}
}
renderer->resize( width, height );
trDelete(tr);
fclose(f);
message = "Snap shot saved to ";
message += filename;
mkDialog (message.c_str());
free(tile);
free(buffer);
// message = "Snap shot saved to ";
// message += filename;
// mkDialog (message.c_str());
delete [] filename;
if ( show_pu_cursor ) {
puShowCursor();
}
TurnCursorOn();
if ( !freeze ) {
fgSetBool("/sim/freeze/master", false);
}
}
#endif // #if defined( TR_HIRES_SNAP)
#if defined( WIN32 ) && !defined( __CYGWIN__) && !defined(__MINGW32__)
void rotateView( double roll, double pitch, double yaw )
{
// rotate view
}
GlBitmap *b1 = NULL;
GLubyte *hiResScreenCapture( int multiplier )
{
float oldfov = fgGetDouble("/sim/current-view/field-of-view");
float fov = oldfov / multiplier;
FGViewer *v = globals->get_current_view();
fgSetDouble("/sim/current-view/field-of-view", fov);
globals->get_renderer()->init();
int cur_width = fgGetInt("/sim/startup/xsize");
int cur_height = fgGetInt("/sim/startup/ysize");
delete( b1 );
// New empty (mostly) bitmap
b1 = new GlBitmap( GL_RGB, 1, 1, (unsigned char *)"123" );
int x,y;
for ( y = 0; y < multiplier; y++ ) {
for ( x = 0; x < multiplier; x++ ) {
globals->get_renderer()->resize( cur_width, cur_height );
// pan to tile
rotateView( 0, (y*fov)-((multiplier-1)*fov/2), (x*fov)-((multiplier-1)*fov/2) );
globals->get_renderer()->update( false );
// restore view
GlBitmap b2;
b1->copyBitmap( &b2, cur_width*x, cur_height*y );
}
}
fgSetDouble("/sim/current-view/field-of-view", oldfov);
return b1->getBitmap();
}
#endif
#if defined( WIN32 ) && !defined( __CYGWIN__) && !defined(__MINGW32__)
// win32 print screen function
void printScreen ( puObject *obj ) {
bool show_pu_cursor = false;
TurnCursorOff();
if ( !puCursorIsHidden() ) {
show_pu_cursor = true;
puHideCursor();
}
// BusyCursor( 0 );
CGlPrinter p( CGlPrinter::PRINT_BITMAP );
int cur_width = fgGetInt("/sim/startup/xsize");
int cur_height = fgGetInt("/sim/startup/ysize");
p.Begin( "FlightGear", cur_width*3, cur_height*3 );
p.End( hiResScreenCapture(3) );
// BusyCursor(1);
if ( show_pu_cursor ) {
puShowCursor();
}
TurnCursorOn();
}
#endif // #ifdef WIN32
void fgDumpSnapShotWrapper ( puObject *obj ) {
fgDumpSnapShot();
}
void fgHiResDumpWrapper ( puObject *obj ) {
fgHiResDump();
}
// do a screen snap shot
void fgDumpSnapShot () {
bool show_pu_cursor = false;
char *filename = new char [24];
string message;
static int count = 1;
static const SGPropertyNode *master_freeze
= fgGetNode("/sim/freeze/master");
bool freeze = master_freeze->getBoolValue();
if ( !freeze ) {
fgSetBool("/sim/freeze/master", true);
}
TurnCursorOff();
if ( !puCursorIsHidden() ) {
show_pu_cursor = true;
puHideCursor();
}
FGRenderer *renderer = globals->get_renderer();
renderer->init();
renderer->resize( fgGetInt("/sim/startup/xsize"),
fgGetInt("/sim/startup/ysize") );
// we need two render frames here to clear the menu and cursor
// ... not sure why but doing an extra fgRenderFrame() shouldn't
// hurt anything
renderer->update( true );
renderer->update( true );
while (count < 1000) {
FILE *fp;
snprintf(filename, 24, "fgfs-screen-%03d.ppm", count++);
if ( (fp = fopen(filename, "r")) == NULL )
break;
fclose(fp);
}
if ( sg_glDumpWindow( filename,
fgGetInt("/sim/startup/xsize"),
fgGetInt("/sim/startup/ysize")) ) {
message = "Snap shot saved to ";
message += filename;
} else {
message = "Failed to save to ";
message += filename;
}
mkDialog (message.c_str());
delete [] filename;
if ( show_pu_cursor ) {
puShowCursor();
}
TurnCursorOn();
if ( !freeze ) {
fgSetBool("/sim/freeze/master", false);
}
}
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