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/**
* $Id: wm_window.c
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2007 Blender Foundation but based
* on ghostwinlay.c (C) 2001-2002 by NaN Holding BV
* All rights reserved.
*
* Contributor(s): Blender Foundation, 2008
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <stdlib.h>
#include <stdio.h>
#include "DNA_listBase.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "MEM_guardedalloc.h"
#include "GHOST_C-api.h"
#include "BLI_blenlib.h"
#include "BKE_blender.h"
#include "BKE_global.h"
#include "BKE_utildefines.h"
#include "BIF_gl.h"
#include "WM_api.h"
#include "WM_types.h"
#include "wm.h"
#include "wm_window.h"
#include "wm_subwindow.h"
#include "wm_event_system.h"
#include "ED_screen.h"
/* the global to talk to ghost */
GHOST_SystemHandle g_system= NULL;
/* set by commandline */
static int prefsizx= 0, prefsizy= 0, prefstax= 0, prefstay= 0;
/* ******** win open & close ************ */
static void wm_get_screensize(int *width_r, int *height_r)
{
unsigned int uiwidth;
unsigned int uiheight;
GHOST_GetMainDisplayDimensions(g_system, &uiwidth, &uiheight);
*width_r= uiwidth;
*height_r= uiheight;
}
static void wm_ghostwindow_destroy(wmWindow *win)
{
if(win->ghostwin) {
GHOST_DisposeWindow(g_system, win->ghostwin);
win->ghostwin= NULL;
}
}
/* including window itself */
void wm_window_free(bContext *C, wmWindow *win)
{
ED_screen_exit(C, win, win->screen);
/* update context */
if(C) {
if(C->wm->windrawable==win)
C->wm->windrawable= NULL;
if(C->wm->winactive==win)
C->wm->winactive= NULL;
if(C->window==win)
C->window= NULL;
if(C->screen==win->screen)
C->screen= NULL;
}
/* XXX free screens */
if(win->eventstate) MEM_freeN(win->eventstate);
wm_event_free_all(win);
wm_subwindows_free(win);
wm_ghostwindow_destroy(win);
MEM_freeN(win);
}
static int find_free_winid(wmWindowManager *wm)
{
wmWindow *win;
int id= 0;
for(win= wm->windows.first; win; win= win->next)
if(id <= win->winid)
id= win->winid+1;
return id;
}
/* dont change context itself */
wmWindow *wm_window_new(bContext *C)
{
wmWindow *win= MEM_callocN(sizeof(wmWindow), "window");
BLI_addtail(&C->wm->windows, win);
win->winid= find_free_winid(C->wm);
return win;
}
/* part of wm_window.c api */
wmWindow *wm_window_copy(bContext *C, wmWindow *winorig)
{
wmWindow *win= wm_window_new(C);
win->posx= winorig->posx+10;
win->posy= winorig->posy;
win->sizex= winorig->sizex;
win->sizey= winorig->sizey;
win->screen= ED_screen_duplicate(win, winorig->screen);
win->screen->do_refresh= 1;
win->screen->do_draw= 1;
return win;
}
/* this is event from ghost */
static void wm_window_close(bContext *C, wmWindow *win)
{
BLI_remlink(&C->wm->windows, win);
wm_window_free(C, win);
if(C->wm->windows.first==NULL)
WM_exit(C);
}
/* belongs to below */
static void wm_window_add_ghostwindow(wmWindowManager *wm, char *title, wmWindow *win)
{
GHOST_WindowHandle ghostwin;
GHOST_TWindowState inital_state;
int scr_w, scr_h, posy;
wm_get_screensize(&scr_w, &scr_h);
posy= (scr_h - win->posy - win->sizey);
// inital_state = GHOST_kWindowStateFullScreen;
// inital_state = GHOST_kWindowStateMaximized;
inital_state = GHOST_kWindowStateNormal;
#ifdef __APPLE__
{
extern int macPrefState; /* creator.c */
inital_state += macPrefState;
}
#endif
ghostwin= GHOST_CreateWindow(g_system, title,
win->posx, posy, win->sizex, win->sizey,
inital_state,
GHOST_kDrawingContextTypeOpenGL,
0 /* no stereo */);
if (ghostwin) {
win->ghostwin= ghostwin;
GHOST_SetWindowUserData(ghostwin, win); /* pointer back */
if(win->eventstate==NULL)
win->eventstate= MEM_callocN(sizeof(wmEvent), "window event state");
/* add keymap handlers (1 for all keys in map!) */
WM_event_add_keymap_handler(&win->handlers, &wm->windowkeymap);
WM_event_add_keymap_handler(&win->handlers, &wm->screenkeymap);
/* until screens get drawn, make it nice grey */
glClearColor(.55, .55, .55, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
wm_window_swap_buffers(win);
/* standard state vars for window */
glEnable(GL_SCISSOR_TEST);
}
}
/* for wmWindows without ghostwin, open these and clear */
/* window size is read from window, if 0 it uses prefsize */
void wm_window_add_ghostwindows(wmWindowManager *wm)
{
wmWindow *win;
/* no commandline prefsize? then we set this */
if (!prefsizx) {
wm_get_screensize(&prefsizx, &prefsizy);
#ifdef __APPLE__
{
extern void wm_set_apple_prefsize(int, int); /* wm_apple.c */
wm_set_apple_prefsize(prefsizx, prefsizy);
}
#else
prefstax= 0;
prefstay= 0;
#endif
}
for(win= wm->windows.first; win; win= win->next) {
if(win->ghostwin==NULL) {
if(win->sizex==0) {
win->posx= prefstax;
win->posy= prefstay;
win->sizex= prefsizx;
win->sizey= prefsizy;
win->windowstate= 0;
}
wm_window_add_ghostwindow(wm, "Blender", win);
}
}
}
/* new window, no screen yet, but we open ghostwindow for it */
/* also gets the window level handlers */
/* area-rip calls this */
wmWindow *WM_window_open(bContext *C, rcti *rect)
{
wmWindow *win= wm_window_new(C);
win->posx= rect->xmin;
win->posy= rect->ymin;
win->sizex= rect->xmax - rect->xmin;
win->sizey= rect->ymax - rect->ymin;
wm_window_add_ghostwindow(C->wm, "Blender", win);
return win;
}
/* ****************** Operators ****************** */
/* operator callback */
int wm_window_duplicate_op(bContext *C, wmOperator *op)
{
wm_window_copy(C, C->window);
wm_check(C);
return OPERATOR_FINISHED;
}
/* fullscreen operator callback */
int wm_window_fullscreen_toggle_op(bContext *C, wmOperator *op)
{
GHOST_TWindowState state = GHOST_GetWindowState(C->window->ghostwin);
if(state!=GHOST_kWindowStateFullScreen)
GHOST_SetWindowState(C->window->ghostwin, GHOST_kWindowStateFullScreen);
else
GHOST_SetWindowState(C->window->ghostwin, GHOST_kWindowStateNormal);
return OPERATOR_FINISHED;
}
/* exit blender */
int wm_exit_blender_op(bContext *C, wmOperator *op)
{
wmWindow *win= C->wm->windows.first;
while(win) {
wm_window_close(C, win);
win= win->next;
}
return OPERATOR_FINISHED;
}
/* ************ events *************** */
static int query_qual(char qual)
{
GHOST_TModifierKeyMask left, right;
int val= 0;
if (qual=='s') {
left= GHOST_kModifierKeyLeftShift;
right= GHOST_kModifierKeyRightShift;
} else if (qual=='c') {
left= GHOST_kModifierKeyLeftControl;
right= GHOST_kModifierKeyRightControl;
} else if (qual=='C') {
left= right= GHOST_kModifierKeyCommand;
} else {
left= GHOST_kModifierKeyLeftAlt;
right= GHOST_kModifierKeyRightAlt;
}
GHOST_GetModifierKeyState(g_system, left, &val);
if (!val)
GHOST_GetModifierKeyState(g_system, right, &val);
return val;
}
void wm_window_make_drawable(bContext *C, wmWindow *win)
{
if (win != C->wm->windrawable && win->ghostwin) {
// win->lmbut= 0; /* keeps hanging when mousepressed while other window opened */
C->wm->windrawable= win;
if(G.f & G_DEBUG) printf("set drawable %d\n", win->winid);
GHOST_ActivateWindowDrawingContext(win->ghostwin);
}
}
/* called by ghost, here we handle events for windows themselves or send to event system */
static int ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr private)
{
bContext *C= private;
GHOST_TEventType type= GHOST_GetEventType(evt);
if (type == GHOST_kEventQuit) {
WM_exit(C);
} else {
GHOST_WindowHandle ghostwin= GHOST_GetEventWindow(evt);
GHOST_TEventDataPtr data= GHOST_GetEventData(evt);
wmWindow *win;
if (!ghostwin) {
// XXX - should be checked, why are we getting an event here, and
// what is it?
return 1;
} else if (!GHOST_ValidWindow(g_system, ghostwin)) {
// XXX - should be checked, why are we getting an event here, and
// what is it?
return 1;
} else {
win= GHOST_GetWindowUserData(ghostwin);
}
switch(type) {
case GHOST_kEventWindowDeactivate:
win->active= 0; /* XXX */
break;
case GHOST_kEventWindowActivate:
{
GHOST_TEventKeyData kdata;
int cx, cy, wx, wy;
C->wm->winactive= win; /* no context change! c->wm->windrawable is drawable, or for area queues */
win->active= 1;
// window_handle(win, INPUTCHANGE, win->active);
/* bad ghost support for modifier keys... so on activate we set the modifiers again */
kdata.ascii= 0;
if (win->eventstate->shift && !query_qual('s')) {
kdata.key= GHOST_kKeyLeftShift;
wm_event_add_ghostevent(win, GHOST_kEventKeyUp, &kdata);
}
if (win->eventstate->ctrl && !query_qual('c')) {
kdata.key= GHOST_kKeyLeftControl;
wm_event_add_ghostevent(win, GHOST_kEventKeyUp, &kdata);
}
if (win->eventstate->alt && !query_qual('a')) {
kdata.key= GHOST_kKeyLeftAlt;
wm_event_add_ghostevent(win, GHOST_kEventKeyUp, &kdata);
}
if (win->eventstate->oskey && !query_qual('C')) {
kdata.key= GHOST_kKeyCommand;
wm_event_add_ghostevent(win, GHOST_kEventKeyUp, &kdata);
}
/* entering window, update mouse pos. but no event */
GHOST_GetCursorPosition(g_system, &wx, &wy);
GHOST_ScreenToClient(win->ghostwin, wx, wy, &cx, &cy);
win->eventstate->x= cx;
win->eventstate->y= (win->sizey-1) - cy;
ED_screen_set_subwinactive(win); /* active subwindow in screen */
wm_window_make_drawable(C, win);
break;
}
case GHOST_kEventWindowClose: {
wm_window_close(C, win);
break;
}
case GHOST_kEventWindowUpdate: {
if(G.f & G_DEBUG) printf("ghost redraw\n");
wm_window_make_drawable(C, win);
WM_event_add_notifier(C->wm, win, 0, WM_NOTE_WINDOW_REDRAW, 0, NULL);
break;
}
case GHOST_kEventWindowSize:
case GHOST_kEventWindowMove: {
GHOST_RectangleHandle client_rect;
int l, t, r, b, scr_w, scr_h;
client_rect= GHOST_GetClientBounds(win->ghostwin);
GHOST_GetRectangle(client_rect, &l, &t, &r, &b);
GHOST_DisposeRectangle(client_rect);
wm_get_screensize(&scr_w, &scr_h);
win->sizex= r-l;
win->sizey= b-t;
win->posx= l;
win->posy= scr_h - t - win->sizey;
/* debug prints */
if(0) {
GHOST_TWindowState state;
state = GHOST_GetWindowState(win->ghostwin);
if(state==GHOST_kWindowStateNormal) {
if(G.f & G_DEBUG) printf("window state: normal\n");
}
else if(state==GHOST_kWindowStateMinimized) {
if(G.f & G_DEBUG) printf("window state: minimized\n");
}
else if(state==GHOST_kWindowStateMaximized) {
if(G.f & G_DEBUG) printf("window state: maximized\n");
}
else if(state==GHOST_kWindowStateFullScreen) {
if(G.f & G_DEBUG) printf("window state: fullscreen\n");
}
if(type!=GHOST_kEventWindowSize) {
if(G.f & G_DEBUG) printf("win move event pos %d %d size %d %d\n", win->posx, win->posy, win->sizex, win->sizey);
}
}
wm_window_make_drawable(C, win);
WM_event_add_notifier(C->wm, win, 0, WM_NOTE_SCREEN_CHANGED, 0, NULL);
break;
}
default:
if(type==GHOST_kEventKeyDown) // XXX debug
WM_event_add_notifier(C->wm, win, 0, WM_NOTE_WINDOW_REDRAW, 0, NULL);
wm_event_add_ghostevent(win, type, data);
break;
}
}
return 1;
}
void wm_window_process_events(int wait_for_event)
{
GHOST_ProcessEvents(g_system, wait_for_event);
GHOST_DispatchEvents(g_system);
}
/* **************** init ********************** */
void wm_ghost_init(bContext *C)
{
if (!g_system) {
GHOST_EventConsumerHandle consumer= GHOST_CreateEventConsumer(ghost_event_proc, C);
g_system= GHOST_CreateSystem();
GHOST_AddEventConsumer(g_system, consumer);
}
}
/* **************** timer ********************** */
static void window_event_timer_proc(GHOST_TimerTaskHandle timer, GHOST_TUns64 time)
{
wmWindow *window;
window= GHOST_GetTimerTaskUserData(timer);
wm_event_add_ghostevent(window, GHOST_kEventTimer, (wmTimerHandle*)timer);
}
wmTimerHandle *WM_event_add_window_timer(wmWindow *win, int delay_ms, int interval_ms)
{
return (wmTimerHandle*)GHOST_InstallTimer(g_system, delay_ms, interval_ms,
window_event_timer_proc, win);
}
void WM_event_remove_window_timer(wmWindow *wm, wmTimerHandle *handle)
{
GHOST_RemoveTimer(g_system, (GHOST_TimerTaskHandle)handle);
}
/* ************************************ */
void wm_window_set_title(wmWindow *win, char *title)
{
GHOST_SetTitle(win->ghostwin, title);
}
void wm_window_get_position(wmWindow *win, int *posx_r, int *posy_r)
{
*posx_r= win->posx;
*posy_r= win->posy;
}
void wm_window_get_size(wmWindow *win, int *width_r, int *height_r)
{
*width_r= win->sizex;
*height_r= win->sizey;
}
void wm_window_set_size(wmWindow *win, int width, int height)
{
GHOST_SetClientSize(win->ghostwin, width, height);
}
void wm_window_lower(wmWindow *win)
{
GHOST_SetWindowOrder(win->ghostwin, GHOST_kWindowOrderBottom);
}
void wm_window_raise(wmWindow *win)
{
GHOST_SetWindowOrder(win->ghostwin, GHOST_kWindowOrderTop);
#ifdef _WIN32
// markdirty_all(); /* to avoid redraw errors in fullscreen mode (aphex) */
#endif
}
void wm_window_swap_buffers(wmWindow *win)
{
GHOST_SwapWindowBuffers(win->ghostwin);
}
/* ******************* exported api ***************** */
/* called whem no ghost system was initialized */
void WM_setprefsize(int stax, int stay, int sizx, int sizy)
{
prefstax= stax;
prefstay= stay;
prefsizx= sizx;
prefsizy= sizy;
}
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