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Support for putting window automatically in the center of screen (by passing -2, -2 as value)

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rdb 2009-12-16 12:10:12 +00:00
parent eb16fccbf5
commit 9dcbaf835d
1 changed files with 22 additions and 1 deletions
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23
panda/src/x11display/x11GraphicsWindow.cxx
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@ -434,6 +434,26 @@ set_properties_now(WindowProperties &properties) {
x11GraphicsPipe *x11_pipe; x11GraphicsPipe *x11_pipe;
DCAST_INTO_V(x11_pipe, _pipe); DCAST_INTO_V(x11_pipe, _pipe);
// A coordinate of -2 means to center the window on screen.
if (properties.has_origin() and (properties.get_x_origin() == -2
or properties.get_y_origin() == -2)) {
int x_origin = properties.get_x_origin();
int y_origin = properties.get_y_origin();
if (false and properties.has_size()) {
if (x_origin == -2) {
x_origin = 0.5 * (x11_pipe->get_display_width() - properties.get_x_size());
}
if (y_origin == -2) {
y_origin = 0.5 * (x11_pipe->get_display_height() - properties.get_y_size());
}
properties.set_origin(x_origin, y_origin);
} else {
// I'm not sure what to do in this case, when no size is specified.
// Using XGetGeometry results for me in a BadDrawable here.
// I guess we can just ignore this case (when no size is specified).
}
}
// Fullscreen mode is implemented with a hint to the window manager. // Fullscreen mode is implemented with a hint to the window manager.
// However, we also implicitly set the origin to (0, 0) and the size // However, we also implicitly set the origin to (0, 0) and the size
@ -483,7 +503,8 @@ set_properties_now(WindowProperties &properties) {
if (properties.has_origin()) { if (properties.has_origin()) {
changes.x = properties.get_x_origin(); changes.x = properties.get_x_origin();
changes.y = properties.get_y_origin(); changes.y = properties.get_y_origin();
value_mask |= (CWX | CWY); if (changes.x != -1) value_mask |= CWX;
if (changes.y != -1) value_mask |= CWY;
properties.clear_origin(); properties.clear_origin();
} }
if (properties.has_size()) { if (properties.has_size()) {