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tdelibs
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Fix potential crash in libkrandr if number of monitors increases after initial scan and before settings are applied

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git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1257359 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
v3.5.13-sru
tpearson 13 years ago
parent b63fc7fc75
commit 5968282bc0
1 changed files with 31 additions and 26 deletions
Show Stats Download Patch File Download Diff File

57
krandr/libkrandr.cc
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@ -599,29 +599,34 @@ bool KRandrSimpleAPI::applySystemwideDisplayConfiguration(TQPtrList<SingleScreen
randr_display = qt_xdisplay();
randr_screen_info = read_screen_info(randr_display);
for (i = 0; i < randr_screen_info->n_output; i++) {
for (i = 0; i < screenInfoArray.count(); i++) {
screendata = screenInfoArray.at(i);
output_info = randr_screen_info->outputs[i]->info;
command.append(" --output ").append(output_info->name);
if (screendata->is_primary || screendata->is_extended) {
command.append(TQString(" --mode %1x%2").arg(screendata->current_x_pixel_count).arg(screendata->current_y_pixel_count));
command.append(TQString(" --pos %1x%2").arg(screendata->absolute_x_position).arg(screendata->absolute_y_position));
command.append(TQString(" --refresh %1").arg((*screendata->refresh_rates.at(screendata->current_refresh_rate_index)).replace("Hz", "")));
command.append(TQString(" --gamma %1:%2:%3").arg(screendata->gamma_red).arg(screendata->gamma_green).arg(screendata->gamma_blue));
if (screendata->current_rotation_index == 0) command.append(" --rotate ").append("normal");
if (screendata->current_rotation_index == 1) command.append(" --rotate ").append("left");
if (screendata->current_rotation_index == 2) command.append(" --rotate ").append("inverted");
if (screendata->current_rotation_index == 3) command.append(" --rotate ").append("right");
if ((screendata->has_x_flip == 0) && (screendata->has_y_flip == 0)) command.append(" --reflect ").append("normal");
if ((screendata->has_x_flip == 1) && (screendata->has_y_flip == 0)) command.append(" --reflect ").append("x");
if ((screendata->has_x_flip == 0) && (screendata->has_y_flip == 1)) command.append(" --reflect ").append("y");
if ((screendata->has_x_flip == 1) && (screendata->has_y_flip == 1)) command.append(" --reflect ").append("xy");
if (screendata->is_primary) {
command.append(" --primary");
if (screendata) {
output_info = randr_screen_info->outputs[i]->info;
command.append(" --output ").append(output_info->name);
if (screendata->is_primary || screendata->is_extended) {
command.append(TQString(" --mode %1x%2").arg(screendata->current_x_pixel_count).arg(screendata->current_y_pixel_count));
command.append(TQString(" --pos %1x%2").arg(screendata->absolute_x_position).arg(screendata->absolute_y_position));
command.append(TQString(" --refresh %1").arg((*screendata->refresh_rates.at(screendata->current_refresh_rate_index)).replace("Hz", "")));
command.append(TQString(" --gamma %1:%2:%3").arg(screendata->gamma_red).arg(screendata->gamma_green).arg(screendata->gamma_blue));
if (screendata->current_rotation_index == 0) command.append(" --rotate ").append("normal");
if (screendata->current_rotation_index == 1) command.append(" --rotate ").append("left");
if (screendata->current_rotation_index == 2) command.append(" --rotate ").append("inverted");
if (screendata->current_rotation_index == 3) command.append(" --rotate ").append("right");
if ((screendata->has_x_flip == 0) && (screendata->has_y_flip == 0)) command.append(" --reflect ").append("normal");
if ((screendata->has_x_flip == 1) && (screendata->has_y_flip == 0)) command.append(" --reflect ").append("x");
if ((screendata->has_x_flip == 0) && (screendata->has_y_flip == 1)) command.append(" --reflect ").append("y");
if ((screendata->has_x_flip == 1) && (screendata->has_y_flip == 1)) command.append(" --reflect ").append("xy");
if (screendata->is_primary) {
command.append(" --primary");
}
}
else {
command.append(" --off");
}
}
else {
command.append(" --off");
printf("[WARNING] Unable to find configuration for monitor %d; settings may not be correctly applied...\n\r", i); fflush(stdout);
}
}
freeScreenInfoStructure(randr_screen_info);
@ -643,7 +648,7 @@ bool KRandrSimpleAPI::applySystemwideDisplayConfiguration(TQPtrList<SingleScreen
// FIXME: This also only occurs when the primary display has been changed
// FIXME: Check for that condition as well!
if (kapp->desktop()->numScreens() > 1) {
for (i = 0; i < randr_screen_info->n_output; i++) {
for (i = 0; i < screenInfoArray.count(); i++) {
screendata = screenInfoArray.at(i);
if (screendata->is_primary == true) {
kapp->desktop()->emitResizedSignal(i);
@ -654,7 +659,7 @@ bool KRandrSimpleAPI::applySystemwideDisplayConfiguration(TQPtrList<SingleScreen
randr_display = qt_xdisplay();
randr_screen_info = read_screen_info(randr_display);
// Turn off all displays
for (i = 0; i < randr_screen_info->n_output; i++) {
for (i = 0; i < screenInfoArray.count(); i++) {
screendata = screenInfoArray.at(i);
output_info = randr_screen_info->outputs[i]->info;
@ -668,7 +673,7 @@ bool KRandrSimpleAPI::applySystemwideDisplayConfiguration(TQPtrList<SingleScreen
freeScreenInfoStructure(randr_screen_info);
randr_screen_info = read_screen_info(randr_display);
// Turn on the primary display
for (i = 0; i < randr_screen_info->n_output; i++) {
for (i = 0; i < screenInfoArray.count(); i++) {
screendata = screenInfoArray.at(i);
output_info = randr_screen_info->outputs[i]->info;
@ -684,7 +689,7 @@ bool KRandrSimpleAPI::applySystemwideDisplayConfiguration(TQPtrList<SingleScreen
freeScreenInfoStructure(randr_screen_info);
// Handle the remaining displays
randr_screen_info = read_screen_info(randr_display);
for (i = 0; i < randr_screen_info->n_output; i++) {
for (i = 0; i < screenInfoArray.count(); i++) {
screendata = screenInfoArray.at(i);
output_info = randr_screen_info->outputs[i]->info;
@ -708,7 +713,7 @@ bool KRandrSimpleAPI::applySystemwideDisplayConfiguration(TQPtrList<SingleScreen
}
freeScreenInfoStructure(randr_screen_info);
randr_screen_info = read_screen_info(randr_display);
for (i = 0; i < randr_screen_info->n_output; i++) {
for (i = 0; i < screenInfoArray.count(); i++) {
screendata = screenInfoArray.at(i);
output_info = randr_screen_info->outputs[i]->info;
@ -891,7 +896,7 @@ void KRandrSimpleAPI::applySystemwideDisplayGamma(TQPtrList<SingleScreenData> sc
if (isValid() == true) {
randr_display = qt_xdisplay();
randr_screen_info = read_screen_info(randr_display);
for (i = 0; i < randr_screen_info->n_output; i++) {
for (i = 0; i < screenInfoArray.count(); i++) {
screendata = screenInfoArray.at(i);
output_info = randr_screen_info->outputs[i]->info;
CrtcInfo *current_crtc = randr_screen_info->outputs[i]->cur_crtc;
@ -943,7 +948,7 @@ void KRandrSimpleAPI::applySystemwideDisplayDPMS(TQPtrList<SingleScreenData> scr
if (isValid() == true) {
randr_display = qt_xdisplay();
randr_screen_info = read_screen_info(randr_display);
for (i = 0; i < randr_screen_info->n_output; i++) {
for (i = 0; i < screenInfoArray.count(); i++) {
screendata = screenInfoArray.at(i);
output_info = randr_screen_info->outputs[i]->info;
CrtcInfo *current_crtc = randr_screen_info->outputs[i]->cur_crtc;

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