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Added OS::center_window to center the window precisely on desktop platforms

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(cherry picked from commit ea1d726a46)
This commit is contained in:
Marcelo Fernandez 2018-02-12 14:17:29 -03:00 committed by Hein-Pieter van Braam
parent ef60123938
commit 150423203b
10 changed files with 61 additions and 0 deletions
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11
core/bind/core_bind.cpp
View File

@ -264,6 +264,10 @@ Size2 _OS::get_window_size() const {
return OS::get_singleton()->get_window_size();
}
Size2 _OS::get_real_window_size() const {
return OS::get_singleton()->get_real_window_size();
}
void _OS::set_window_size(const Size2 &p_size) {
OS::get_singleton()->set_window_size(p_size);
}
@ -929,6 +933,11 @@ void _OS::request_attention() {
OS::get_singleton()->request_attention();
}
void _OS::center_window() {
OS::get_singleton()->center_window();
}
bool _OS::is_debug_build() const {
#ifdef DEBUG_ENABLED
@ -1017,6 +1026,8 @@ void _OS::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_window_maximized", "enabled"), &_OS::set_window_maximized);
ClassDB::bind_method(D_METHOD("is_window_maximized"), &_OS::is_window_maximized);
ClassDB::bind_method(D_METHOD("request_attention"), &_OS::request_attention);
ClassDB::bind_method(D_METHOD("get_real_window_size"), &_OS::get_real_window_size);
ClassDB::bind_method(D_METHOD("center_window"), &_OS::center_window);
ClassDB::bind_method(D_METHOD("set_borderless_window", "borderless"), &_OS::set_borderless_window);
ClassDB::bind_method(D_METHOD("get_borderless_window"), &_OS::get_borderless_window);

2
core/bind/core_bind.h
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@ -155,6 +155,7 @@ public:
virtual Point2 get_window_position() const;
virtual void set_window_position(const Point2 &p_position);
virtual Size2 get_window_size() const;
virtual Size2 get_real_window_size() const;
virtual void set_window_size(const Size2 &p_size);
virtual void set_window_fullscreen(bool p_enabled);
virtual bool is_window_fullscreen() const;
@ -165,6 +166,7 @@ public:
virtual void set_window_maximized(bool p_enabled);
virtual bool is_window_maximized() const;
virtual void request_attention();
virtual void center_window();
virtual void set_borderless_window(bool p_borderless);
virtual bool get_borderless_window() const;

11
core/os/os.cpp
View File

@ -616,6 +616,17 @@ bool OS::has_feature(const String &p_feature) {
return false;
}
void OS::center_window() {
if (is_window_fullscreen()) return;
Size2 scr = get_screen_size(get_current_screen());
Size2 wnd = get_real_window_size();
int x = scr.width / 2 - wnd.width / 2;
int y = scr.height / 2 - wnd.height / 2;
set_window_position(Vector2(x, y));
}
OS::OS() {
void *volatile stack_bottom;

2
core/os/os.h
View File

@ -182,6 +182,7 @@ public:
virtual Point2 get_window_position() const { return Vector2(); }
virtual void set_window_position(const Point2 &p_position) {}
virtual Size2 get_window_size() const = 0;
virtual Size2 get_real_window_size() const { return get_window_size(); }
virtual void set_window_size(const Size2 p_size) {}
virtual void set_window_fullscreen(bool p_enabled) {}
virtual bool is_window_fullscreen() const { return true; }
@ -192,6 +193,7 @@ public:
virtual void set_window_maximized(bool p_enabled) {}
virtual bool is_window_maximized() const { return true; }
virtual void request_attention() {}
virtual void center_window();
virtual void set_borderless_window(bool p_borderless) {}
virtual bool get_borderless_window() { return 0; }

1
platform/osx/os_osx.h
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@ -167,6 +167,7 @@ public:
virtual void set_window_title(const String &p_title);
virtual Size2 get_window_size() const;
virtual Size2 get_real_window_size() const;
virtual void set_icon(const Ref<Image> &p_icon);

6
platform/osx/os_osx.mm
View File

@ -1845,6 +1845,12 @@ Size2 OS_OSX::get_window_size() const {
return window_size;
};
Size2 OS_OSX::get_real_window_size() const {
NSRect frame = [window_object frame];
return Size2(frame.size.width, frame.size.height);
}
void OS_OSX::set_window_size(const Size2 p_size) {
Size2 size = p_size;

6
platform/windows/os_windows.cpp
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@ -1487,6 +1487,12 @@ Size2 OS_Windows::get_window_size() const {
GetClientRect(hWnd, &r);
return Vector2(r.right - r.left, r.bottom - r.top);
}
Size2 OS_Windows::get_real_window_size() const {
RECT r;
GetWindowRect(hWnd, &r);
return Vector2(r.right - r.left, r.bottom - r.top);
}
void OS_Windows::set_window_size(const Size2 p_size) {
video_mode.width = p_size.width;

1
platform/windows/os_windows.h
View File

@ -201,6 +201,7 @@ public:
virtual Point2 get_window_position() const;
virtual void set_window_position(const Point2 &p_position);
virtual Size2 get_window_size() const;
virtual Size2 get_real_window_size() const;
virtual void set_window_size(const Size2 p_size);
virtual void set_window_fullscreen(bool p_enabled);
virtual bool is_window_fullscreen() const;

20
platform/x11/os_x11.cpp
View File

@ -924,6 +924,26 @@ Size2 OS_X11::get_window_size() const {
return Size2i(current_videomode.width, current_videomode.height);
}
Size2 OS_X11::get_real_window_size() const {
XWindowAttributes xwa;
XSync(x11_display, False);
XGetWindowAttributes(x11_display, x11_window, &xwa);
int w = xwa.width;
int h = xwa.height;
Atom prop = XInternAtom(x11_display, "_NET_FRAME_EXTENTS", True);
Atom type;
int format;
unsigned long len;
unsigned long remaining;
unsigned char *data = NULL;
if (XGetWindowProperty(x11_display, x11_window, prop, 0, 4, False, AnyPropertyType, &type, &format, &len, &remaining, &data) == Success) {
long *extents = (long *)data;
w += extents[0] + extents[1]; // left, right
h += extents[2] + extents[3]; // top, bottom
}
return Size2(w, h);
}
void OS_X11::set_window_size(const Size2 p_size) {
// If window resizable is disabled we need to update the attributes first
if (is_window_resizable() == false) {

1
platform/x11/os_x11.h
View File

@ -251,6 +251,7 @@ public:
virtual Point2 get_window_position() const;
virtual void set_window_position(const Point2 &p_position);
virtual Size2 get_window_size() const;
virtual Size2 get_real_window_size() const;
virtual void set_window_size(const Size2 p_size);
virtual void set_window_fullscreen(bool p_enabled);
virtual bool is_window_fullscreen() const;