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https://github.com/amiwm/amiwm.git
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Initial commit!
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reddsik
386
screen.c
Normal file
386
screen.c
Normal file
@@ -0,0 +1,386 @@
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#include <X11/Xlib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "drawinfo.h"
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#include "screen.h"
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#include "icon.h"
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#include "client.h"
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#include "prefs.h"
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#include "icc.h"
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extern Display *dpy;
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extern Cursor wm_curs;
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#ifdef USE_FONTSETS
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extern XFontSet labelfontset;
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extern int labelfont_ascent;
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#else
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extern XFontStruct *labelfont;
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#endif
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extern char *progname;
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extern XContext screen_context, client_context, vroot_context;
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extern void createmenubar();
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extern void reparent(Client *);
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Scrn *front = NULL, *scr = NULL;
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static Scrn *getvroot(Window root)
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{
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Scrn *s;
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if(!XFindContext(dpy, root, vroot_context, (XPointer *)&s))
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return s;
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return NULL;
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}
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static void setvroot(Window root, Scrn *s)
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{
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XSaveContext(dpy, root, vroot_context, (XPointer)s);
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}
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void setvirtualroot(Scrn *s)
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{
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if(s) {
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Scrn *old_vroot = getvroot(s->root);
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if(s==old_vroot) return;
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if(old_vroot)
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XDeleteProperty(dpy, old_vroot->back, swm_vroot);
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setvroot(s->root, s);
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XChangeProperty(dpy, s->back, swm_vroot, XA_WINDOW, 32, PropModeReplace,
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(unsigned char *)&(s->back), 1);
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}
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}
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Scrn *getscreenbyroot(Window w);
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void screentoback(void)
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{
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Scrn *f;
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if((!scr)||(scr->back==scr->root)) return;
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if(scr==front) {
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XLowerWindow(dpy, scr->back);
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front=scr->behind;
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} else if(scr==getscreenbyroot(scr->root)) {
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XLowerWindow(dpy, scr->back);
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scr->upfront->behind=scr->behind;
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scr->behind->upfront=scr->upfront;
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scr->upfront=front->upfront;
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scr->behind=front;
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front->upfront->behind=scr;
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front->upfront=scr;
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} else if(scr->behind==front) {
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XRaiseWindow(dpy, scr->back);
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front=scr;
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} else {
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XRaiseWindow(dpy, scr->back);
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scr->upfront->behind=scr->behind;
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scr->behind->upfront=scr->upfront;
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scr->upfront=front->upfront;
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scr->behind=front;
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front->upfront->behind=scr;
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front->upfront=scr;
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front=scr;
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}
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if((f = getscreenbyroot(scr->root))) {
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init_dri(&f->dri, dpy, f->root, f->cmap, True);
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setvirtualroot(f);
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}
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}
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void assimilate(Window w, int x, int y)
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{
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#ifdef ASSIMILATE_WINDOWS
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XSetWindowAttributes xsa;
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XAddToSaveSet(dpy, w);
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XReparentWindow(dpy, w, scr->back, x, (y<scr->y? 0:y-scr->y));
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XSaveContext(dpy, w, screen_context, (XPointer)scr);
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xsa.override_redirect = False;
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XChangeWindowAttributes(dpy, w, CWOverrideRedirect, &xsa);
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#endif
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}
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static void scanwins()
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{
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unsigned int i, nwins;
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Client *c;
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Window dw1, dw2, *wins;
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XWindowAttributes *pattr=NULL;
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XPointer dummy;
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Scrn *s=scr;
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XQueryTree(dpy, scr->root, &dw1, &dw2, &wins, &nwins);
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if(nwins && (pattr=calloc(nwins, sizeof(XWindowAttributes)))) {
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for (i = 0; i < nwins; i++)
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XGetWindowAttributes(dpy, wins[i], pattr+i);
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for (i = 0; i < nwins; i++) {
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if (!XFindContext(dpy, wins[i], client_context, &dummy))
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continue;
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if (pattr[i].override_redirect) {
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if(scr->back!=scr->root && XFindContext(dpy, wins[i], screen_context, &dummy))
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assimilate(wins[i], pattr[i].x, pattr[i].y);
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continue;
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}
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c = createclient(wins[i]);
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if (c != 0 && c->window == wins[i]) {
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if (pattr[i].map_state == IsViewable) {
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c->state=NormalState;
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getstate(c);
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reparent(c);
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if(c->state==IconicState) {
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createicon(c);
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adjusticon(c->icon);
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XMapWindow(dpy, c->icon->window);
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if(c->icon->labelwidth)
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XMapWindow(dpy, c->icon->labelwin);
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c->icon->mapped=1;
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} else if(c->state==NormalState)
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XMapRaised(dpy, c->parent);
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else
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XRaiseWindow(dpy, c->parent);
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c->reparenting=1;
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scr=s;
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}
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}
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}
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free(pattr);
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}
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XFree((void *) wins);
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cleanupicons();
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}
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void closescreen(void)
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{
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Scrn *dummy;
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if(scr->behind == scr)
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scr->behind = NULL;
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else {
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scr->upfront->behind=scr->behind;
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scr->behind->upfront=scr->upfront;
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}
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XDeleteContext(dpy,scr->menubardepth,screen_context);
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XDestroyWindow(dpy,scr->menubardepth);
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XDeleteContext(dpy,scr->menubarparent,screen_context);
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XDestroyWindow(dpy,scr->menubarparent);
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XDeleteContext(dpy,scr->menubar,screen_context);
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XDestroyWindow(dpy,scr->menubar);
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if(scr->inputbox != None) {
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XDeleteContext(dpy,scr->inputbox,screen_context);
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XDestroyWindow(dpy,scr->inputbox);
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}
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XFreeGC(dpy,scr->rubbergc);
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XFreeGC(dpy,scr->icongc);
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XFreeGC(dpy,scr->gc);
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XDeleteContext(dpy,scr->back,screen_context);
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XDestroyWindow(dpy,scr->back);
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free_icon_pms(&scr->default_tool_pms);
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term_dri(&scr->dri, dpy, scr->cmap);
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if(scr->iconcolorsallocated)
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XFreeColors(dpy, scr->cmap, scr->iconcolor, scr->iconcolorsallocated, 0);
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if(front==scr)
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front=scr->behind;
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dummy=scr->behind;
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free(scr);
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scr=dummy;
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}
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Scrn *openscreen(char *deftitle, Window root)
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{
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Scrn *s;
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XWindowAttributes attr;
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XSetWindowAttributes swa;
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XGCValues gcv;
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extern char *label_font_name;
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if(!root)
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root = DefaultRootWindow(dpy);
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XGetWindowAttributes(dpy, root, &attr);
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s = (Scrn *)calloc(1, sizeof(Scrn));
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s->root = root;
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s->cmap = attr.colormap;
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s->depth = attr.depth;
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s->visual = attr.visual;
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s->number = XScreenNumberOfScreen(attr.screen);
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s->inputbox = None;
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init_dri(&s->dri, dpy, s->root, s->cmap, True);
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swa.background_pixel = s->dri.dri_Pens[BACKGROUNDPEN];
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swa.override_redirect = True;
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swa.colormap = attr.colormap;
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swa.cursor = wm_curs;
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swa.border_pixel = BlackPixel(dpy, DefaultScreen(dpy));
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s->back = XCreateWindow(dpy, root,
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-prefs.borderwidth, (s->y=0)-prefs.borderwidth,
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s->width = attr.width, s->height = attr.height,
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s->bw=prefs.borderwidth, CopyFromParent,
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InputOutput, CopyFromParent,
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CWBackPixel|CWOverrideRedirect|CWColormap|CWCursor|
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CWBorderPixel,
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&swa);
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XSaveContext(dpy, s->back, screen_context, (XPointer)s);
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gcv.background = s->dri.dri_Pens[BACKGROUNDPEN];
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#ifdef USE_FONTSETS
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s->gc = XCreateGC(dpy, s->back, GCBackground, &gcv);
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if(!labelfontset) {
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char **missing_charsets = NULL;
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int n_missing_charsets = 0;
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labelfontset = XCreateFontSet(dpy, label_font_name,
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&missing_charsets,
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&n_missing_charsets, NULL);
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if(missing_charsets)
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XFreeStringList(missing_charsets);
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if(!labelfontset) {
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fprintf(stderr, "%s: cannot open font %s\n", progname, label_font_name);
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labelfontset = s->dri.dri_FontSet;
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}
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}
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{
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XFontStruct **fsl;
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char **fnl;
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if(XFontsOfFontSet(labelfontset, &fsl, &fnl) < 1) {
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fprintf(stderr, "%s: fontset %s is empty\n", progname,
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label_font_name);
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exit(1);
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}
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labelfont_ascent = fsl[0]->ascent;
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s->lh = fsl[0]->ascent+fsl[0]->descent;
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}
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gcv.foreground = s->dri.dri_Pens[TEXTPEN];
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s->icongc = XCreateGC(dpy, s->back, GCForeground|GCBackground, &gcv);
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#else
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gcv.font = s->dri.dri_Font->fid;
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s->gc = XCreateGC(dpy, s->back, GCBackground|GCFont, &gcv);
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if(!labelfont)
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if(!(labelfont = XLoadQueryFont(dpy, label_font_name))) {
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fprintf(stderr, "%s: cannot open font %s\n", progname, label_font_name);
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labelfont = s->dri.dri_Font;
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}
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s->lh = labelfont->ascent+labelfont->descent;
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gcv.font = labelfont->fid;
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gcv.foreground = s->dri.dri_Pens[TEXTPEN];
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s->icongc = XCreateGC(dpy, s->back, GCForeground|GCBackground|GCFont, &gcv);
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#endif
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gcv.function = GXinvert;
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gcv.subwindow_mode = IncludeInferiors;
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s->rubbergc = XCreateGC(dpy, s->back, GCFunction|GCSubwindowMode, &gcv);
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s->title = s->deftitle = deftitle;
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s->default_tool_pms.pm = None;
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s->default_tool_pms.pm2 = None;
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s->default_tool_pms.cs.colors = NULL;
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s->default_tool_pms.cs2.colors = NULL;
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s->default_tool_pm_w=0;
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s->default_tool_pm_h=0;
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if(front) {
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s->behind=front;
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s->upfront=front->upfront;
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front->upfront->behind=s;
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front->upfront=s;
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} else {
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s->behind = s->upfront = s;
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front = s;
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}
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scr=s;
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return s;
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}
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void realizescreens(void)
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{
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scr = front;
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do {
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if(!scr->realized) {
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scr->fh = scr->dri.dri_Ascent+scr->dri.dri_Descent;
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scr->bh=scr->fh+3;
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scr->h2=(2*scr->bh)/10; scr->h3=(3*scr->bh)/10;
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scr->h4=(4*scr->bh)/10; scr->h5=(5*scr->bh)/10;
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scr->h6=(6*scr->bh)/10; scr->h7=(7*scr->bh)/10;
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scr->h8=(8*scr->bh)/10;
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createmenubar();
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createdefaulticons();
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if (scr->inputbox == None && prefs.focus == FOC_CLICKTOTYPE) {
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scr->inputbox = XCreateWindow(dpy, scr->back, 0, 0,
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scr->width, scr->height, 0, 0,
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InputOnly, CopyFromParent, 0, NULL);
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XSaveContext(dpy, scr->inputbox, screen_context, (XPointer)scr);
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XSelectInput(dpy, scr->inputbox, KeyPressMask|KeyReleaseMask);
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XLowerWindow(dpy, scr->inputbox);
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XMapWindow(dpy, scr->inputbox);
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}
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XSelectInput(dpy, scr->root,
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SubstructureNotifyMask|SubstructureRedirectMask|
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KeyPressMask|KeyReleaseMask|
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ButtonPressMask|ButtonReleaseMask|FocusChangeMask);
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if(scr->back != scr->root)
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XSelectInput(dpy, scr->back,
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SubstructureNotifyMask|SubstructureRedirectMask|
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KeyPressMask|KeyReleaseMask|
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ButtonPressMask|ButtonReleaseMask);
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XStoreName(dpy, scr->back, scr->title);
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XLowerWindow(dpy, scr->back);
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XMapWindow(dpy, scr->back);
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}
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scr=scr->behind;
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} while(scr!=front);
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do {
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if(!scr->realized) {
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scanwins();
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if(!getvroot(scr->root)) {
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init_dri(&scr->dri, dpy, scr->root, scr->cmap, True);
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setvirtualroot(scr);
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}
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scr->realized=1;
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}
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scr=scr->behind;
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} while(scr!=front);
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}
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Scrn *getscreen(Window w)
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{
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Scrn *s=front;
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if(w && s)
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do {
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if(s->back == w || s->root == w)
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return s;
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s=s->behind;
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} while(s!=front);
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return front;
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}
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Scrn *getscreenbyroot(Window w)
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{
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Scrn *s=front;
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if(s)
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do {
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if(s->root == w)
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return s;
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s=s->behind;
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} while(s!=front);
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return NULL;
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}
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