void
ScreenMode::UpdateOriginalModes()
{
BScreen screen(fWindow);
for (int32 workspace = 0; workspace < count_workspaces(); workspace++) {
if (screen.GetMode(workspace, &fOriginalDisplayMode[workspace]) == B_OK) {
Get(fOriginal[workspace], workspace);
fUpdatedModes = true;
}
}
}
void
ScreenWindow::_Apply()
{
// make checkpoint, so we can undo these changes
fUndoScreenMode.UpdateOriginalModes();
status_t status = fScreenMode.Set(fSelected);
if (status == B_OK) {
// use the mode that has eventually been set and
// thus we know to be working; it can differ from
// the mode selected by user due to hardware limitation
display_mode newMode;
BScreen screen(this);
screen.GetMode(&newMode);
if (fAllWorkspacesItem->IsMarked()) {
int32 originatingWorkspace = current_workspace();
for (int32 i = 0; i < count_workspaces(); i++) {
if (i != originatingWorkspace)
screen.SetMode(i, &newMode, true);
}
fBootWorkspaceApplied = true;
} else {
if (current_workspace() == 0)
fBootWorkspaceApplied = true;
}
fActive = fSelected;
// TODO: only show alert when this is an unknown mode
BWindow* window = new AlertWindow(this);
window->Show();
} else {
char message[256];
snprintf(message, sizeof(message),
B_TRANSLATE("The screen mode could not be set:\n\t%s\n"),
screen_errors(status));
BAlert* alert = new BAlert(B_TRANSLATE("Warning"), message,
B_TRANSLATE("OK"), NULL, NULL,
B_WIDTH_AS_USUAL, B_WARNING_ALERT);
alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
alert->Go();
}
}
// this method assumes that you already reverted to the correct number of workspaces
status_t
ScreenMode::Revert()
{
if (!fUpdatedModes)
return B_ERROR;
status_t result = B_OK;
screen_mode current;
for (int32 workspace = 0; workspace < count_workspaces(); workspace++) {
if (Get(current, workspace) == B_OK && fOriginal[workspace] == current)
continue;
BScreen screen(fWindow);
result = screen.SetMode(workspace, &fOriginalDisplayMode[workspace], true);
if (result != B_OK)
break;
}
return result;
}
status_t
BackgroundThemesAddon::MakeTheme(BMessage &theme, uint32 flags)
{
BMessage backgrounds;
status_t err = B_OK;
BPath pDesktop;
struct attr_info ai;
char *pAttr;
BScreen bs;
rgb_color last_color = {0, 0, 0, 254};
rgb_color col;
int last_change = 0;
int i;
(void)flags;
err = MyMessage(theme, backgrounds);
if (err)
backgrounds.MakeEmpty();
if (find_directory(B_DESKTOP_DIRECTORY, &pDesktop) < B_OK)
return EINVAL;
BNode nDesktop(pDesktop.Path());
if (nDesktop.InitCheck() < B_OK)
return nDesktop.InitCheck();
if (nDesktop.GetAttrInfo(B_BACKGROUND_INFO, &ai) < B_OK)
return EIO;
pAttr = new char[ai.size];
if (pAttr == NULL)
return ENOMEM;
err = nDesktop.ReadAttr(B_BACKGROUND_INFO, ai.type, 0LL, pAttr, ai.size);
if (err < B_OK)
goto getout;
err = backgrounds.Unflatten(pAttr);
if (err < B_OK)
goto getout;
// make sure other colors are removed
backgrounds.RemoveName(B__DESKTOP_COLOR);
// get desktop color... XXX: move it in ui_settings ?
// should work as the rest of the fields (grouping)
for (i = 0; i < count_workspaces(); i++) {
col = bs.DesktopColor(i);
if (memcmp(&last_color, &col, sizeof(rgb_color))) {
last_change = i;
last_color = col;
}
}
//printf("ws col cnt %d\n", last_change);
for (i = 0; i <= last_change; i++) {
col = bs.DesktopColor(i);
AddRGBColor(backgrounds, B__DESKTOP_COLOR, col);
//backgrounds->AddData(B__DESKTOP_COLOR, (type_code)'RGBC', &col, 4);
}
err = SetMyMessage(theme, backgrounds);
return err;
getout:
delete [] pAttr;
return err;
}
status_t
BackgroundThemesAddon::ApplyTheme(BMessage &theme, uint32 flags)
{
BMessage backgrounds;
status_t err = B_OK;
BPath pDesktop;
ssize_t flatSize;
char *pAttr;
if (!(flags & UI_THEME_SETTINGS_SET_ALL) || !(AddonFlags() & Z_THEME_ADDON_DO_SET_ALL))
return B_OK;
err = MyMessage(theme, backgrounds);
if (err)
return err;
// set desktop colors
BScreen bs;
rgb_color col;
//const rgb_color *c;
col = bs.DesktopColor(0); // by
// should work as the rest of the fields (grouping)
for (int i = 0; i < count_workspaces(); i++) {
//ssize_t sz = 4;
if (FindRGBColor(backgrounds, B__DESKTOP_COLOR, i, &col) != B_OK && i == 0)
//if (backgrounds.FindData(B__DESKTOP_COLOR, (type_code)'RGBC', i, (const void **)&c, &sz) != B_OK && i == 0)
break; // if no color at all, don't set them
bs.SetDesktopColor(col, i, true);
}
// make sure we don't leave our garbage in the message
// as it would offset the next call by adding rgb_colors on existing ones
backgrounds.RemoveName(B__DESKTOP_COLOR);
BMessenger tracker("application/x-vnd.Be-TRAK");
BMessage m(B_RESTORE_BACKGROUND_IMAGE);
if (find_directory(B_DESKTOP_DIRECTORY, &pDesktop) < B_OK)
return EINVAL;
BNode nDesktop(pDesktop.Path());
if (nDesktop.InitCheck() < B_OK)
return nDesktop.InitCheck();
flatSize = backgrounds.FlattenedSize();
pAttr = new char[flatSize];
if (pAttr == NULL)
return ENOMEM;
err = backgrounds.Flatten(pAttr, flatSize);
if (err < B_OK)
goto getout;
err = nDesktop.WriteAttr(B_BACKGROUND_INFO, B_MESSAGE_TYPE, 0LL, pAttr, flatSize);
if (err < B_OK)
goto getout;
//m.AddSpecifier("Window", "Desktop");
tracker.SendMessage(&m);
return B_OK;
getout:
delete [] pAttr;
return err;
}