Add support for GHOST_kWindowState* to Linux.
This add support for the different window state in Linux/X11. Two think to take care: 1) m_post_* 2) motifFullScreen 1) This is only need if we want start a window in FullScreen or Maximized state. The basic problem is that we can't set this property to a window until it's really map, so i add a "post init" proccess for this two special case (check the code for more info). 2) The Motif Hint isn't really a "FullScreen" mode, it's only a "NO DECORATIONS" options, so if the window manager don't support WM-spec this function only remove the border of the window, don't make it FullScreen. A simple fix (hack) is check if the Window Manager support WM-spec, in case that not, remove the decorations and move/resize the window. Test in different WM (gnome, kde, etc) and comment are welcome :)
This commit is contained in:
Diego Borghetti
@@ -113,9 +113,26 @@ GHOST_SystemX11(
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= XSGIFastInternAtom(m_display,
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= XSGIFastInternAtom(m_display,
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"WM_DELETE_WINDOW",
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"WM_DELETE_WINDOW",
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SGI_XA_WM_DELETE_WINDOW, False);
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SGI_XA_WM_DELETE_WINDOW, False);
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/* Some one with SGI can tell me about this ? */
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m_wm_state= None;
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m_wm_change_state= None;
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m_net_state= None;
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m_net_max_horz= None;
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m_net_max_vert= None;
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m_net_fullscreen= None;
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m_motif = None;
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#else
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#else
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m_delete_window_atom
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m_delete_window_atom= XInternAtom(m_display, "WM_DELETE_WINDOW", False);
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= XInternAtom(m_display, "WM_DELETE_WINDOW", True);
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m_wm_state= XInternAtom(m_display, "WM_STATE", False);
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m_wm_change_state= XInternAtom(m_display, "WM_CHANGE_STATE", False);
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m_net_state= XInternAtom(m_display, "_NET_WM_STATE", False);
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m_net_max_horz= XInternAtom(m_display,
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"_NET_WM_STATE_MAXIMIZED_HORZ", False);
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m_net_max_vert= XInternAtom(m_display,
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"_NET_WM_STATE_MAXIMIZED_VERT", False);
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m_net_fullscreen= XInternAtom(m_display,
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"_NET_WM_STATE_FULLSCREEN", False);
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m_motif= XInternAtom(m_display, "_MOTIF_WM_HINTS", False);
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#endif
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#endif
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// compute the initial time
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// compute the initial time
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@@ -499,6 +516,24 @@ GHOST_SystemX11::processEvent(XEvent *xe)
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// XCrossingEvents pointer leave enter window.
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// XCrossingEvents pointer leave enter window.
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break;
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break;
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case MapNotify:
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case MapNotify:
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/*
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* From ICCCM:
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* [ Clients can select for StructureNotify on their
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* top-level windows to track transition between
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* Normal and Iconic states. Receipt of a MapNotify
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* event will indicate a transition to the Normal
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* state, and receipt of an UnmapNotify event will
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* indicate a transition to the Iconic state. ]
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*/
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if (window->m_post_init == True) {
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/*
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* Now we are sure that the window is
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* mapped, so only need change the state.
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*/
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window->setState (window->m_post_state);
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window->m_post_init = False;
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}
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break;
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case UnmapNotify:
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case UnmapNotify:
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break;
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break;
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case MappingNotify:
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case MappingNotify:
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@@ -196,6 +196,19 @@ public:
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return m_display;
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return m_display;
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}
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}
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/**
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* Atom used for ICCCM, WM-spec and Motif.
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* We only need get this atom at the start, it's relative
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* to the display not the window and are public for every
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* window that need it.
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*/
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Atom m_wm_state;
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Atom m_wm_change_state;
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Atom m_net_state;
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Atom m_net_max_horz;
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Atom m_net_max_vert;
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Atom m_net_fullscreen;
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Atom m_motif;
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private :
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private :
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@@ -55,6 +55,16 @@ typedef struct {
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#define MWM_HINTS_DECORATIONS (1L << 1)
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#define MWM_HINTS_DECORATIONS (1L << 1)
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/*
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* A Client can't change the window property, that is
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* the work of the window manager. In case, we send
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* a ClientMessage to the RootWindow with the property
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* and the Action (WM-spec define this):
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*/
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#define _NET_WM_STATE_REMOVE 0
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#define _NET_WM_STATE_ADD 1
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#define _NET_WM_STATE_TOGGLE 2
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/*
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/*
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import bpy
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import bpy
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I = bpy.data.images['blender.png'] # the 48x48 icon
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I = bpy.data.images['blender.png'] # the 48x48 icon
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@@ -222,49 +232,25 @@ GHOST_WindowX11(
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&xattributes
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&xattributes
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);
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);
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/*
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// Are we in fullscreen mode - then include
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* One of the problem with WM-spec is that can't set a property
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// some obscure blut code to remove decorations.
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* to a window that isn't mapped. That is why we can't "just
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* call setState" here.
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if (state == GHOST_kWindowStateFullScreen) {
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*
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* To fix this, we first need know that the window is really
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MotifWmHints hints;
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* map waiting for the MapNotify event.
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Atom atom;
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*
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* So, m_post_init indicate that we need wait for the MapNotify
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atom = XInternAtom(m_display, "_MOTIF_WM_HINTS", False);
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* event and then set the Window state to the m_post_state.
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*/
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if (atom == None) {
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if ((state != GHOST_kWindowStateNormal) && (state != GHOST_kWindowStateMinimized)) {
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GHOST_PRINT("Could not intern X atom for _MOTIF_WM_HINTS.\n");
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m_post_init = True;
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} else {
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m_post_state = state;
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hints.flags = MWM_HINTS_DECORATIONS;
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}
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hints.decorations = 0; /* Absolutely no decorations. */
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else {
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// other hints.decorations make no sense
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m_post_init = False;
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// you can't select individual decorations
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m_post_state = GHOST_kWindowStateNormal;
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}
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XChangeProperty(m_display, m_window,
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atom, atom, 32,
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PropModeReplace, (unsigned char *) &hints, 4);
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}
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} else if (state == GHOST_kWindowStateMaximized) {
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// With this, xprop should report the following just after launch
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// _NET_WM_STATE(ATOM) = _NET_WM_STATE_MAXIMIZED_VERT, _NET_WM_STATE_MAXIMIZED_HORZ
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// After demaximization the right side is empty, though (maybe not the most correct then?)
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Atom state, atomh, atomv;
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state = XInternAtom(m_display, "_NET_WM_STATE", False);
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atomh = XInternAtom(m_display, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
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atomv = XInternAtom(m_display, "_NET_WM_STATE_MAXIMIZED_VERT", False);
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if (state == None ) {
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GHOST_PRINT("Atom _NET_WM_STATE requested but not avaliable nor created.\n");
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} else {
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XChangeProperty(m_display, m_window,
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state, XA_ATOM, 32,
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PropModeAppend, (unsigned char *) &atomh, 1);
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XChangeProperty(m_display, m_window,
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state, XA_ATOM, 32,
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PropModeAppend, (unsigned char *) &atomv, 1);
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}
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}
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// Create some hints for the window manager on how
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// Create some hints for the window manager on how
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// we want this window treated.
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// we want this window treated.
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@@ -609,28 +595,299 @@ clientToScreen(
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outY = ay;
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outY = ay;
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}
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}
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void GHOST_WindowX11::icccmSetState(int state)
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{
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XEvent xev;
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GHOST_TWindowState
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if (state != IconicState)
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GHOST_WindowX11::
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return;
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getState(
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) const {
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xev.xclient.type = ClientMessage;
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//FIXME
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xev.xclient.serial = 0;
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return GHOST_kWindowStateNormal;
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xev.xclient.send_event = True;
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xev.xclient.display = m_display;
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xev.xclient.window = m_window;
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xev.xclient.format = 32;
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xev.xclient.message_type = m_system->m_wm_change_state;
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xev.xclient.data.l[0] = state;
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XSendEvent (m_display, RootWindow(m_display, DefaultScreen(m_display)),
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False, SubstructureNotifyMask | SubstructureRedirectMask, &xev);
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}
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}
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GHOST_TSuccess
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int GHOST_WindowX11::icccmGetState(void) const
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GHOST_WindowX11::
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{
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setState(
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unsigned char *prop_ret;
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GHOST_TWindowState state
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unsigned long bytes_after, num_ret;
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){
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Atom type_ret;
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//TODO
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int format_ret, st;
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if (state == (int)getState()) {
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prop_ret = NULL;
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return GHOST_kSuccess;
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st = XGetWindowProperty(m_display, m_window, m_system->m_wm_state, 0,
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} else {
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0x7fffffff, False, m_system->m_wm_state, &type_ret,
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return GHOST_kFailure;
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&format_ret, &num_ret, &bytes_after, &prop_ret);
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if ((st == Success) && (prop_ret) && (num_ret == 2))
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st = prop_ret[0];
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else
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st = NormalState;
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if (prop_ret)
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XFree(prop_ret);
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return (st);
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}
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void GHOST_WindowX11::netwmMaximized(bool set)
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{
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XEvent xev;
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xev.xclient.type = ClientMessage;
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xev.xclient.serial = 0;
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xev.xclient.send_event = True;
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xev.xclient.window = m_window;
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xev.xclient.message_type = m_system->m_net_state;
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xev.xclient.format = 32;
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if (set == True)
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xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
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else
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xev.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
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xev.xclient.data.l[1] = m_system->m_net_max_horz;
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xev.xclient.data.l[2] = m_system->m_net_max_vert;
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xev.xclient.data.l[3] = 0;
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xev.xclient.data.l[4] = 0;
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XSendEvent(m_display, RootWindow(m_display, DefaultScreen(m_display)),
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False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
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}
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bool GHOST_WindowX11::netwmIsMaximized(void) const
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{
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unsigned char *prop_ret;
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unsigned long bytes_after, num_ret;
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Atom type_ret;
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bool st;
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int format_ret, count, i;
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prop_ret = NULL;
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st = False;
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i = XGetWindowProperty(m_display, m_window, m_system->m_net_state, 0,
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0x7fffffff, False, XA_ATOM, &type_ret, &format_ret,
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&num_ret, &bytes_after, &prop_ret);
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if ((i == Success) && (prop_ret) && (format_ret == 32)) {
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count = 0;
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for (i = 0; i < num_ret; i++) {
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if (((unsigned long *) prop_ret)[i] == m_system->m_net_max_horz)
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count++;
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if (((unsigned long *) prop_ret)[i] == m_system->m_net_max_vert)
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count++;
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if (count == 2) {
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st = True;
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break;
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}
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}
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}
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}
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if (prop_ret)
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XFree(prop_ret);
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return (st);
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}
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void GHOST_WindowX11::netwmFullScreen(bool set)
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{
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XEvent xev;
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xev.xclient.type = ClientMessage;
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xev.xclient.serial = 0;
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xev.xclient.send_event = True;
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xev.xclient.window = m_window;
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xev.xclient.message_type = m_system->m_net_state;
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xev.xclient.format = 32;
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if (set == True)
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xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
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else
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xev.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
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xev.xclient.data.l[1] = m_system->m_net_fullscreen;
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xev.xclient.data.l[2] = 0;
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xev.xclient.data.l[3] = 0;
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xev.xclient.data.l[4] = 0;
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XSendEvent(m_display, RootWindow(m_display, DefaultScreen(m_display)),
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False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
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}
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bool GHOST_WindowX11::netwmIsFullScreen(void) const
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{
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unsigned char *prop_ret;
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unsigned long bytes_after, num_ret;
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Atom type_ret;
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bool st;
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int format_ret, i;
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prop_ret = NULL;
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st = False;
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i = XGetWindowProperty(m_display, m_window, m_system->m_net_state, 0,
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0x7fffffff, False, XA_ATOM, &type_ret, &format_ret,
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&num_ret, &bytes_after, &prop_ret);
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if ((i == Success) && (prop_ret) && (format_ret == 32)) {
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for (i = 0; i < num_ret; i++) {
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if (((unsigned long *) prop_ret)[i] == m_system->m_net_fullscreen) {
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st = True;
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break;
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}
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}
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}
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if (prop_ret)
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XFree(prop_ret);
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return (st);
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}
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void GHOST_WindowX11::motifFullScreen(bool set)
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{
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MotifWmHints hints;
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hints.flags = MWM_HINTS_DECORATIONS;
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if (set == True)
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hints.decorations = 0;
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else
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hints.decorations = 1;
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XChangeProperty(m_display, m_window, m_system->m_motif,
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m_system->m_motif, 32, PropModeReplace,
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(unsigned char *) &hints, 4);
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}
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bool GHOST_WindowX11::motifIsFullScreen(void) const
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{
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unsigned char *prop_ret;
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unsigned long bytes_after, num_ret;
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MotifWmHints *hints;
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Atom type_ret;
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bool state;
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int format_ret, st;
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prop_ret = NULL;
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state = False;
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st = XGetWindowProperty(m_display, m_window, m_system->m_motif, 0,
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0x7fffffff, False, m_system->m_motif,
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&type_ret, &format_ret, &num_ret,
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&bytes_after, &prop_ret);
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if ((st == Success) && (prop_ret)) {
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hints = (MotifWmHints *) prop_ret;
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if (hints->flags & MWM_HINTS_DECORATIONS) {
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if (!hints->decorations)
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state = True;
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}
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}
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if (prop_ret)
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XFree(prop_ret);
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return (state);
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}
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GHOST_TWindowState GHOST_WindowX11::getState() const
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{
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GHOST_TWindowState state_ret;
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int state;
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|
state_ret = GHOST_kWindowStateNormal;
|
||||||
|
state = icccmGetState();
|
||||||
|
/*
|
||||||
|
* In the Iconic and Withdrawn state, the window
|
||||||
|
* is unmaped, so only need return a Minimized state.
|
||||||
|
*/
|
||||||
|
if ((state == IconicState) || (state == WithdrawnState))
|
||||||
|
state_ret = GHOST_kWindowStateMinimized;
|
||||||
|
else if (netwmIsMaximized() == True)
|
||||||
|
state_ret = GHOST_kWindowStateMaximized;
|
||||||
|
else if (netwmIsFullScreen() == True)
|
||||||
|
state_ret = GHOST_kWindowStateFullScreen;
|
||||||
|
else if (motifIsFullScreen() == True)
|
||||||
|
state_ret = GHOST_kWindowStateFullScreen;
|
||||||
|
return (state_ret);
|
||||||
|
}
|
||||||
|
|
||||||
|
GHOST_TSuccess GHOST_WindowX11::setState(GHOST_TWindowState state)
|
||||||
|
{
|
||||||
|
GHOST_TWindowState cur_state;
|
||||||
|
bool is_max, is_full, is_motif_full;
|
||||||
|
int icccm_state;
|
||||||
|
|
||||||
|
cur_state = getState();
|
||||||
|
if (state == (int)cur_state)
|
||||||
|
return GHOST_kSuccess;
|
||||||
|
|
||||||
|
if (cur_state != GHOST_kWindowStateMinimized) {
|
||||||
|
/*
|
||||||
|
* The window don't have this property's
|
||||||
|
* if it's not mapped.
|
||||||
|
*/
|
||||||
|
is_max = netwmIsMaximized();
|
||||||
|
is_full = netwmIsFullScreen();
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
is_max = False;
|
||||||
|
is_full = False;
|
||||||
|
}
|
||||||
|
|
||||||
|
is_motif_full = motifIsFullScreen();
|
||||||
|
|
||||||
|
if (state == GHOST_kWindowStateNormal) {
|
||||||
|
if (is_max == True)
|
||||||
|
netwmMaximized(False);
|
||||||
|
if (is_full == True)
|
||||||
|
netwmFullScreen(False);
|
||||||
|
if (is_motif_full == True)
|
||||||
|
motifFullScreen(False);
|
||||||
|
icccmSetState(NormalState);
|
||||||
|
return (GHOST_kSuccess);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (state == GHOST_kWindowStateFullScreen) {
|
||||||
|
/*
|
||||||
|
* We can't change to full screen if the window
|
||||||
|
* isn't mapped.
|
||||||
|
*/
|
||||||
|
if (cur_state == GHOST_kWindowStateMinimized)
|
||||||
|
return (GHOST_kFailure);
|
||||||
|
|
||||||
|
if (is_max == True)
|
||||||
|
netwmMaximized(False);
|
||||||
|
if (is_full == False)
|
||||||
|
netwmFullScreen(True);
|
||||||
|
if (is_motif_full == False)
|
||||||
|
motifFullScreen(True);
|
||||||
|
return (GHOST_kSuccess);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (state == GHOST_kWindowStateMaximized) {
|
||||||
|
/*
|
||||||
|
* We can't change to Maximized if the window
|
||||||
|
* isn't mapped.
|
||||||
|
*/
|
||||||
|
if (cur_state == GHOST_kWindowStateMinimized)
|
||||||
|
return (GHOST_kFailure);
|
||||||
|
|
||||||
|
if (is_full == True)
|
||||||
|
netwmFullScreen(False);
|
||||||
|
if (is_motif_full == True)
|
||||||
|
motifFullScreen(False);
|
||||||
|
if (is_max == False)
|
||||||
|
netwmMaximized(True);
|
||||||
|
return (GHOST_kSuccess);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (state == GHOST_kWindowStateMinimized) {
|
||||||
|
/*
|
||||||
|
* The window manager need save the current state of
|
||||||
|
* the window (maximized, full screen, etc).
|
||||||
|
*/
|
||||||
|
icccmSetState(IconicState);
|
||||||
|
return (GHOST_kSuccess);
|
||||||
|
}
|
||||||
|
|
||||||
|
return (GHOST_kFailure);
|
||||||
}
|
}
|
||||||
|
|
||||||
#include <iostream>
|
#include <iostream>
|
||||||
|
|||||||
@@ -213,6 +213,15 @@ public:
|
|||||||
|
|
||||||
const GHOST_TabletData* GetTabletData()
|
const GHOST_TabletData* GetTabletData()
|
||||||
{ return &m_xtablet.CommonData; }
|
{ return &m_xtablet.CommonData; }
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Need this in case that we want start the window
|
||||||
|
* in FullScree or Maximized state.
|
||||||
|
* Check GHOST_WindowX11.cpp
|
||||||
|
*/
|
||||||
|
bool m_post_init;
|
||||||
|
GHOST_TWindowState m_post_state;
|
||||||
|
|
||||||
protected:
|
protected:
|
||||||
/**
|
/**
|
||||||
* Tries to install a rendering context in this window.
|
* Tries to install a rendering context in this window.
|
||||||
@@ -328,6 +337,18 @@ private :
|
|||||||
|
|
||||||
/* Tablet devices */
|
/* Tablet devices */
|
||||||
XTablet m_xtablet;
|
XTablet m_xtablet;
|
||||||
|
|
||||||
|
void icccmSetState(int state);
|
||||||
|
int icccmGetState() const;
|
||||||
|
|
||||||
|
void netwmMaximized(bool set);
|
||||||
|
bool netwmIsMaximized() const;
|
||||||
|
|
||||||
|
void netwmFullScreen(bool set);
|
||||||
|
bool netwmIsFullScreen() const;
|
||||||
|
|
||||||
|
void motifFullScreen(bool set);
|
||||||
|
bool motifIsFullScreen() const;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
Reference in New Issue
Block a user