Initial revision
This commit is contained in:
bernd
475
grab.c
Normal file
475
grab.c
Normal file
@@ -0,0 +1,475 @@
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/*
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* calmwm - the calm window manager
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*
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* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
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* All rights reserved.
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*
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* $Id$
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*/
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#include "headers.h"
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#include "calmwm.h"
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int _sweepcalc(struct client_ctx *, int, int, int, int);
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int _nobuttons(XButtonEvent *);
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#define ADJUST_HEIGHT(cc, dy) ((cc->geom.height - cc->geom.min_dy)/ dy)
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#define ADJUST_WIDTH(cc, dx) ((cc->geom.width - cc->geom.min_dx)/ dx)
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void
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grab_sweep_draw(struct client_ctx *cc, int dx, int dy)
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{
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struct screen_ctx *sc = CCTOSC(cc);
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int x0 = cc->geom.x, y0 = cc->geom.y;
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char asize[10]; /* fits "nnnnxnnnn\0" */
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int wide, height, wide_size, wide_name;
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struct fontdesc *font = DefaultFont;
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snprintf(asize, sizeof(asize), "%dx%d",
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ADJUST_WIDTH(cc, dx), ADJUST_HEIGHT(cc, dy));
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wide_size = font_width(font, asize, strlen(asize)) + 4;
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wide_name = font_width(font, cc->name, strlen(cc->name)) + 4;
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wide = MAX(wide_size, wide_name);
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height = font_ascent(font) + font_descent(font) + 1;
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XMoveResizeWindow(G_dpy, sc->menuwin, x0, y0, wide, height * 2);
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XMapWindow(G_dpy, sc->menuwin);
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XReparentWindow(G_dpy, sc->menuwin, cc->win, 0, 0);
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XClearWindow(G_dpy, sc->menuwin);
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font_draw(font, cc->name, strlen(cc->name), sc->menuwin,
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2, font_ascent(font) + 1);
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font_draw(font, asize, strlen(asize), sc->menuwin,
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wide/2 - wide_size/2, height + font_ascent(font) + 1);
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}
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int
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grab_sweep(struct client_ctx *cc)
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{
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XEvent ev;
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struct screen_ctx *sc = CCTOSC(cc);
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int x0 = cc->geom.x, y0 = cc->geom.y;
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int dx, dy;
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dx = MAX(1, cc->size->width_inc);
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dy = MAX(1, cc->size->height_inc);
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client_raise(cc);
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client_ptrsave(cc);
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if (xu_ptr_grab(sc->rootwin, MouseMask, G_cursor_resize) < 0)
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return (-1);
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xu_ptr_setpos(cc->win, cc->geom.width, cc->geom.height);
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grab_sweep_draw(cc, dx, dy);
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for (;;) {
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/* Look for changes in ptr position. */
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XMaskEvent(G_dpy, MouseMask, &ev);
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switch (ev.type) {
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case MotionNotify:
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if (_sweepcalc(cc, x0, y0, ev.xmotion.x, ev.xmotion.y))
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/* Recompute window output */
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grab_sweep_draw(cc, dx, dy);
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XMoveResizeWindow(G_dpy, cc->pwin,
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cc->geom.x - cc->bwidth,
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cc->geom.y - cc->bwidth,
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cc->geom.width + cc->bwidth*2,
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cc->geom.height + cc->bwidth*2);
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XMoveResizeWindow(G_dpy, cc->win,
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cc->bwidth, cc->bwidth,
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cc->geom.width, cc->geom.height);
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break;
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case ButtonRelease:
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XUnmapWindow(G_dpy, sc->menuwin);
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XReparentWindow(G_dpy, sc->menuwin, sc->rootwin, 0, 0);
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xu_ptr_ungrab();
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client_ptrwarp(cc);
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return (0);
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}
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}
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/* NOTREACHED */
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}
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int
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grab_drag(struct client_ctx *cc)
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{
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int x0 = cc->geom.x, y0 = cc->geom.y, xm, ym;
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struct screen_ctx *sc = CCTOSC(cc);
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XEvent ev;
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client_raise(cc);
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if (xu_ptr_grab(sc->rootwin, MouseMask, G_cursor_move) < 0)
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return (-1);
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xu_ptr_getpos(sc->rootwin, &xm, &ym);
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for (;;) {
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XMaskEvent(G_dpy, MouseMask, &ev);
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switch (ev.type) {
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case MotionNotify:
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cc->geom.x = x0 + (ev.xmotion.x - xm);
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cc->geom.y = y0 + (ev.xmotion.y - ym);
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XMoveWindow(G_dpy, cc->pwin,
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cc->geom.x - cc->bwidth, cc->geom.y - cc->bwidth);
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break;
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case ButtonRelease:
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xu_ptr_ungrab();
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return (0);
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}
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}
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/* NOTREACHED */
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}
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/*
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* Adapted from 9wm.
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*/
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/* XXX - this REALLY needs to be cleaned up. */
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#define MenuMask (ButtonMask|ButtonMotionMask|ExposureMask)
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#define MenuGrabMask (ButtonMask|ButtonMotionMask|StructureNotifyMask)
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#define AllButtonMask (Button1Mask|Button2Mask|Button3Mask|Button4Mask|Button5Mask)
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#ifdef notyet
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struct client_ctx *
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grab_menu_getcc(struct menu_q *menuq, int off)
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{
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int where = 0;
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struct menu *mi;
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TAILQ_FOREACH(mi, menuq, entry)
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if (off == where++)
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return mi->ctx;
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return (NULL);
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}
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#endif
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void *
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grab_menu(XButtonEvent *e, struct menu_q *menuq)
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{
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struct screen_ctx *sc;
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struct menu *mi;
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XEvent ev;
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int i, n, cur = 0, old, wide, high, status, drawn, warp;
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int x, y, dx, dy, xmax, ymax;
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int tx, ty;
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struct fontdesc *font = DefaultFont;
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if ((sc = screen_fromroot(e->root)) == NULL || e->window == sc->menuwin)
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return (NULL);
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dx = 0;
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i = 0;
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TAILQ_FOREACH(mi, menuq, entry) {
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wide = font_width(font, mi->text, strlen(mi->text)) + 4;
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if (wide > dx)
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dx = wide;
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if (mi->lasthit)
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cur = i;
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i++;
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}
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n = i;
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wide = dx;
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high = font_ascent(font) + font_descent(font) + 1;
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dy = n*high;
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x = e->x - wide/2;
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y = e->y - cur*high - high/2;
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warp = 0;
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/* XXX - cache these in sc. */
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xmax = DisplayWidth(G_dpy, sc->which);
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ymax = DisplayHeight(G_dpy, sc->which);
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if (x < 0) {
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e->x -= x;
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x = 0;
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warp++;
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}
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if (x+wide >= xmax) {
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e->x -= x+wide-xmax;
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x = xmax-wide;
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warp++;
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}
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if (y < 0) {
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e->y -= y;
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y = 0;
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warp++;
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}
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if (y+dy >= ymax) {
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e->y -= y+dy-ymax;
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y = ymax-dy;
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warp++;
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}
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if (warp)
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xu_ptr_setpos(e->root, e->x, e->y);
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XMoveResizeWindow(G_dpy, sc->menuwin, x, y, dx, dy);
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XSelectInput(G_dpy, sc->menuwin, MenuMask);
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XMapRaised(G_dpy, sc->menuwin);
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status = xu_ptr_grab(sc->menuwin, MenuGrabMask, G_cursor_select);
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if (status < 0) {
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XUnmapWindow(G_dpy, sc->menuwin);
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return (NULL);
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}
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drawn = 0;
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#ifdef notyet
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if (e->button == Button1) {
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struct client_ctx *cc;
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cc = grab_menu_getcc(menuq, cur);
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if (cc != NULL) {
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client_unhide(cc);
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XRaiseWindow(G_dpy, sc->menuwin);
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}
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}
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#endif
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for (;;) {
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XMaskEvent(G_dpy, MenuMask, &ev);
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switch (ev.type) {
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default:
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warnx("menuhit: unknown ev.type %d\n", ev.type);
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break;
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case ButtonPress:
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break;
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case ButtonRelease:
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if (ev.xbutton.button != e->button)
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break;
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x = ev.xbutton.x;
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y = ev.xbutton.y;
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i = y/high;
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if (cur >= 0 && y >= cur*high-3 && y < (cur+1)*high+3)
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i = cur;
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if (x < 0 || x > wide || y < -3)
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i = -1;
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else if (i < 0 || i >= n)
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i = -1;
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/* else */
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/* m->lasthit = i; */
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if (!_nobuttons(&ev.xbutton))
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i = -1;
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/* XXX */
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/* ungrab(&ev.xbutton); */
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xu_ptr_ungrab();
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XUnmapWindow(G_dpy, sc->menuwin);
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n = 0;
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TAILQ_FOREACH(mi, menuq, entry)
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if (i == n++)
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break;
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return (mi);
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case MotionNotify:
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if (!drawn)
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break;
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x = ev.xbutton.x;
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y = ev.xbutton.y;
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old = cur;
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cur = y/high;
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if (old >= 0 && y >= old*high-3 && y < (old+1)*high+3)
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cur = old;
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if (x < 0 || x > wide || y < -3)
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cur = -1;
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else if (cur < 0 || cur >= n)
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cur = -1;
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if (cur == old)
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break;
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if (old >= 0 && old < n) {
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#ifdef notyet
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if (e->button == Button1) {
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struct client_ctx *cc;
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cc = grab_menu_getcc(menuq, old);
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if (cc != NULL)
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client_hide(cc);
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}
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#endif
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XFillRectangle(G_dpy, sc->menuwin,
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sc->hlgc, 0, old*high, wide, high);
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}
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if (cur >= 0 && cur < n) {
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#ifdef notyet
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if (e->button == Button1) {
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struct client_ctx *cc;
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cc = grab_menu_getcc(menuq, cur);
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if (cc != NULL) {
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client_unhide(cc);
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XRaiseWindow(G_dpy,
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sc->menuwin);
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}
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}
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#endif
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xu_ptr_regrab(MenuGrabMask, G_cursor_select);
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XFillRectangle(G_dpy, sc->menuwin,
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sc->hlgc, 0, cur*high, wide, high);
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} else
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xu_ptr_regrab(MenuGrabMask, G_cursor_default);
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break;
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case Expose:
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XClearWindow(G_dpy, sc->menuwin);
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i = 0;
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TAILQ_FOREACH(mi, menuq, entry) {
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tx = (wide - font_width(font, mi->text,
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strlen(mi->text)))/2;
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ty = i*high + font_ascent(font) + 1;
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font_draw(font, mi->text, strlen(mi->text),
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sc->menuwin, tx, ty);
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i++;
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}
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if (cur >= 0 && cur < n)
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XFillRectangle(G_dpy, sc->menuwin,
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sc->hlgc, 0, cur*high, wide, high);
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drawn = 1;
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}
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}
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}
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void
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grab_menuinit(struct screen_ctx *sc)
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{
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sc->menuwin = XCreateSimpleWindow(G_dpy, sc->rootwin, 0, 0,
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1, 1, 1, sc->blackpixl, sc->whitepixl);
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}
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#define LABEL_MAXLEN 256
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#define LabelMask (KeyPressMask|ExposureMask)
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void
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grab_label(struct client_ctx *cc)
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{
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struct screen_ctx *sc = screen_current();
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int x, y, dx, dy, fontheight, focusrevert;
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XEvent e;
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char labelstr[LABEL_MAXLEN];
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char dispstr[LABEL_MAXLEN + sizeof("label>") - 1];
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Window focuswin;
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char chr;
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enum ctltype ctl;
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size_t len;
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struct fontdesc *font = DefaultFont;
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if (cc->label != NULL)
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strlcpy(labelstr, cc->label, sizeof(labelstr));
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else
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labelstr[0] = '\0';
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xu_ptr_getpos(sc->rootwin, &x, &y);
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dy = fontheight = font_ascent(font) + font_descent(font) + 1;
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dx = font_width(font, "label>", 6);
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XMoveResizeWindow(G_dpy, sc->searchwin, x, y, dx, dy);
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XSelectInput(G_dpy, sc->searchwin, LabelMask);
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XMapRaised(G_dpy, sc->searchwin);
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XGetInputFocus(G_dpy, &focuswin, &focusrevert);
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XSetInputFocus(G_dpy, sc->searchwin,
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RevertToPointerRoot, CurrentTime);
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for (;;) {
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XMaskEvent(G_dpy, LabelMask, &e);
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switch (e.type) {
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case KeyPress:
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if (input_keycodetrans(e.xkey.keycode, e.xkey.state,
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&ctl, &chr, 1) < 0)
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continue;
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switch (ctl) {
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case CTL_ERASEONE:
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if ((len = strlen(labelstr)) > 0)
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labelstr[len - 1] = '\0';
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break;
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case CTL_RETURN:
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/* Done */
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if (strlen(labelstr) == 0)
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goto out;
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if (cc->label != NULL)
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xfree(cc->label);
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cc->label = xstrdup(labelstr);
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case CTL_ABORT:
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goto out;
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default:
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break;
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}
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if (chr != '\0') {
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char str[2];
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str[0] = chr;
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str[1] = '\0';
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strlcat(labelstr, str, sizeof(labelstr));
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}
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case Expose:
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snprintf(dispstr, sizeof(dispstr), "label>%s", labelstr);
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dx = font_width(font, dispstr, strlen(dispstr));
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dy = fontheight;
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XClearWindow(G_dpy, sc->searchwin);
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XResizeWindow(G_dpy, sc->searchwin, dx, dy);
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font_draw(font, dispstr, strlen(dispstr),
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sc->searchwin, 0, font_ascent(font) + 1);
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break;
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}
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}
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out:
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XSetInputFocus(G_dpy, focuswin,
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focusrevert, CurrentTime);
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XUnmapWindow(G_dpy, sc->searchwin);
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}
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int
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_sweepcalc(struct client_ctx *cc, int x0, int y0, int motionx, int motiony)
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{
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int width, height;
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width = cc->geom.width;
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height = cc->geom.height;
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cc->geom.width = abs(x0 - motionx);
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cc->geom.height = abs(y0 - motiony);
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if (cc->size->flags & PResizeInc) {
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cc->geom.width -=
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(cc->geom.width - cc->geom.min_dx) % cc->size->width_inc;
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cc->geom.height -=
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(cc->geom.height - cc->geom.min_dy) % cc->size->height_inc;
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}
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if (cc->size->flags & PMinSize) {
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cc->geom.width = MAX(cc->geom.width, cc->size->min_width);
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cc->geom.height = MAX(cc->geom.height, cc->size->min_height);
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}
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if (cc->size->flags & PMaxSize) {
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cc->geom.width = MIN(cc->geom.width, cc->size->max_width);
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cc->geom.height = MIN(cc->geom.height, cc->size->max_height);
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}
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cc->geom.x = x0 <= motionx ? x0 : x0 - cc->geom.width;
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cc->geom.y = y0 <= motiony ? y0 : y0 - cc->geom.height;
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return (width != cc->geom.width || height != cc->geom.height);
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}
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/* XXX */
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int
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_nobuttons(XButtonEvent *e) /* Einstuerzende */
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{
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int state;
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state = (e->state & AllButtonMask);
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return (e->type == ButtonRelease) && (state & (state - 1)) == 0;
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}
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Reference in New Issue
Block a user