mirror of https://github.com/0intro/wmii
293 lines
7.0 KiB
C
293 lines
7.0 KiB
C
/*
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* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/keysym.h>
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#include "wm.h"
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/* local functions */
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static void handle_buttonpress(XEvent * e);
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static void handle_configurerequest(XEvent * e);
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static void handle_destroynotify(XEvent * e);
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static void handle_expose(XEvent * e);
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static void handle_maprequest(XEvent * e);
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static void handle_motionnotify(XEvent * e);
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static void handle_propertynotify(XEvent * e);
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static void handle_unmapnotify(XEvent * e);
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static void handle_clientmessage(XEvent * e);
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void (*handler[LASTEvent]) (XEvent *);
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void
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init_event_hander()
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{
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int i;
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/* init event handler */
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for(i = 0; i < LASTEvent; i++) {
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handler[i] = 0;
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}
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handler[ButtonPress] = handle_buttonpress;
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handler[ConfigureRequest] = handle_configurerequest;
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handler[DestroyNotify] = handle_destroynotify;
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handler[Expose] = handle_expose;
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handler[MapRequest] = handle_maprequest;
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handler[MotionNotify] = handle_motionnotify;
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handler[PropertyNotify] = handle_propertynotify;
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handler[UnmapNotify] = handle_unmapnotify;
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handler[ClientMessage] = handle_clientmessage;
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}
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void
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check_event(Connection * c)
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{
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XEvent ev;
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while(XPending(dpy)) { /* main evet loop */
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XNextEvent(dpy, &ev);
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if(handler[ev.type])
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(handler[ev.type]) (&ev); /* call handler */
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}
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}
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static void
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handle_buttonpress(XEvent * e)
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{
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Client *c;
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XButtonPressedEvent *ev = &e->xbutton;
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Align align;
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int bindex;
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if((c == win_to_frame(ev->window))) {
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focus_client(c);
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if(e->button == Button1) {
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align = cursor_to_align(c->frame.cursor);
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if(align == CENTER)
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mouse_move(c);
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else
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mouse_resize(c, align);
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return;
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}
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bindex = WM_EVENT_B2PRESS - 2 + e->button;
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/* frame mouse handling */
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if(def[bindex]->content)
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wmii_spawn(dpy, def[bindex]->content);
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}
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else if((c = win_to_client(ev->window))) {
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Layout *l = sel_layout();
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if(l != c->frame->layout)
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focus_layout(c->frame->layout);
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l = c->frame->layout;
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l->def->focus(l, c, False);
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ev->state &= valid_mask;
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if(ev->state & Mod1Mask) {
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Align align;
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XRaiseWindow(dpy, c->frame->win);
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switch (ev->button) {
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case Button1:
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mouse_move(c->frame);
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break;
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case Button3:
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align = xy_to_align(&c->rect, ev->x, ev->y);
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if(align == CENTER)
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mouse_move(c->frame);
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else
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mouse_resize(c->frame, align);
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break;
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default:
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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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static void
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handle_configurerequest(XEvent * e)
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{
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XConfigureRequestEvent *ev = &e->xconfigurerequest;
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XWindowChanges wc;
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Client *c;
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unsigned int bw = 0, tabh = 0;
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Frame *f = 0;
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c = win_to_client(ev->window);
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ev->value_mask &= ~CWSibling;
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if(c) {
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f = c->frame;
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if(f) {
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bw = border_width(f);
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tabh = tab_height(f);
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}
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if(ev->value_mask & CWStackMode) {
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if(wc.stack_mode == Above)
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XRaiseWindow(dpy, c->win);
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else
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ev->value_mask &= ~CWStackMode;
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}
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gravitate(c, tabh ? tabh : bw, bw, 1);
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if(ev->value_mask & CWX)
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c->rect.x = ev->x;
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if(ev->value_mask & CWY)
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c->rect.y = ev->y;
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if(ev->value_mask & CWWidth)
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c->rect.width = ev->width;
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if(ev->value_mask & CWHeight)
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c->rect.height = ev->height;
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if(ev->value_mask & CWBorderWidth)
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c->border = ev->border_width;
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gravitate(c, tabh ? tabh : bw, bw, 0);
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if(f) {
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f->rect.x = wc.x = c->rect.x - bw;
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f->rect.y = wc.y = c->rect.y - (tabh ? tabh : bw);
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f->rect.width = wc.width = c->rect.width + 2 * bw;
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f->rect.height = wc.height =
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c->rect.height + bw + (tabh ? tabh : bw);
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wc.border_width = 1;
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wc.sibling = None;
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wc.stack_mode = ev->detail;
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XConfigureWindow(dpy, f->win, ev->value_mask, &wc);
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configure_client(c);
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}
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}
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wc.x = ev->x;
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wc.y = ev->y;
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if(f) {
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/* if so, then bw and tabh are already initialized */
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wc.x = bw;
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wc.y = tabh ? tabh : bw;
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}
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wc.width = ev->width;
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if(!wc.width)
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wc.width = 1; /* borken app fix */
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wc.height = ev->height;
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if(!wc.height)
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wc.height = 1; /* borken app fix */
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wc.border_width = 0;
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wc.sibling = None;
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wc.stack_mode = Above;
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ev->value_mask &= ~CWStackMode;
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ev->value_mask |= CWBorderWidth;
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XConfigureWindow(dpy, e->xconfigurerequest.window, ev->value_mask,
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&wc);
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XSync(dpy, False);
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}
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static void
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handle_destroynotify(XEvent * e)
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{
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XDestroyWindowEvent *ev = &e->xdestroywindow;
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Client *c = win_to_client(ev->window);
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if(c) {
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c->destroyed = True;
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detach_client(c, False);
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}
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}
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static void
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handle_expose(XEvent * e)
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{
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static Frame *f;
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if(e->xexpose.count == 0) {
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f = win_to_frame(e->xbutton.window);
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if(f)
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draw_frame(f);
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}
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}
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static void
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handle_maprequest(XEvent * e)
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{
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XMapRequestEvent *ev = &e->xmaprequest;
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static XWindowAttributes wa;
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static Client *c;
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if(!XGetWindowAttributes(dpy, ev->window, &wa))
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return;
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if(wa.override_redirect) {
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XSelectInput(dpy, ev->window,
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(StructureNotifyMask | PropertyChangeMask));
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return;
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}
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/* attach heuristic support */
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if(attachqueue && (attachqueue->page != selpage)) {
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MapQueue *r = attachqueue;
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focus_page(r->page);
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attachqueue = attachqueue->next;
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free(r);
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}
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/* there're client which send map requests twice */
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c = win_to_client(ev->window);
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if(!c)
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c = alloc_client(ev->window);
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if(!c->frame) {
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init_client(c, &wa);
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attach_client(c);
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}
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}
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static void
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handle_motionnotify(XEvent * e)
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{
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Frame *f = win_to_frame(e->xmotion.window);
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Cursor cursor;
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if(f) {
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cursor = cursor_for_motion(f, e->xmotion.x, e->xmotion.y);
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if(cursor != f->cursor) {
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f->cursor = cursor;
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XDefineCursor(dpy, f->win, cursor);
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}
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}
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}
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static void
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handle_propertynotify(XEvent * e)
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{
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XPropertyEvent *ev = &e->xproperty;
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Client *c;
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if(ev->state == PropertyDelete)
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return; /* ignore */
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if((c = win_to_client(ev->window)))
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handle_client_property(c, ev);
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}
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static void
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handle_unmapnotify(XEvent * e)
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{
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XUnmapEvent *ev = &e->xunmap;
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Client *c;
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if((c = win_to_client(ev->window))) {
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if(!c->ignore_unmap)
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detach_client(c, True);
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else
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c->ignore_unmap--;
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}
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}
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static void handle_clientmessage(XEvent *e)
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{
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XClientMessageEvent *ev = &e->xclient;
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if (ev->message_type == net_atoms[NET_NUMBER_OF_DESKTOPS] && ev->format == 32)
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return; /* ignore */
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else if (ev->message_type == net_atoms[NET_CURRENT_DESKTOP] && ev->format == 32) {
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focus_page(pageat(ev->data.l[0]));
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return;
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}
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}
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