wmii/cmd/wm/frame.c
2005-12-11 00:43:45 +02:00

411 lines
12 KiB
C

/*
* (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "wm.h"
static void select_client(void *obj, char *arg);
static void handle_after_write_frame(IXPServer * s, File * f);
static void handle_before_read_frame(IXPServer * s, File * f);
/* action table for /frame/?/ namespace */
Action frame_acttbl[] = {
{"select", select_client},
{0, 0}
};
Frame *alloc_frame(XRectangle * r)
{
XSetWindowAttributes wa;
static int id = 0;
char buf[MAX_BUF];
Frame *f = (Frame *) cext_emallocz(sizeof(Frame));
int bw, th;
f->rect = *r;
f->cursor = normal_cursor;
snprintf(buf, MAX_BUF, "/detached/frame/%d", id);
f->file[F_PREFIX] = ixp_create(ixps, buf);
snprintf(buf, MAX_BUF, "/detached/frame/%d/client", id);
f->file[F_CLIENT_PREFIX] = ixp_create(ixps, buf);
snprintf(buf, MAX_BUF, "/detached/frame/%d/client/sel", id);
f->file[F_SEL_CLIENT] = ixp_create(ixps, buf);
f->file[F_SEL_CLIENT]->bind = 1;
snprintf(buf, MAX_BUF, "/detached/frame/%d/ctl", id);
f->file[F_CTL] = ixp_create(ixps, buf);
f->file[F_CTL]->after_write = handle_after_write_frame;
snprintf(buf, MAX_BUF, "/detached/frame/%d/geometry", id);
f->file[F_GEOMETRY] = ixp_create(ixps, buf);
f->file[F_GEOMETRY]->before_read = handle_before_read_frame;
f->file[F_GEOMETRY]->after_write = handle_after_write_frame;
snprintf(buf, MAX_BUF, "/detached/frame/%d/border", id);
f->file[F_BORDER] = wmii_create_ixpfile(ixps, buf, def[WM_BORDER]->content);
f->file[F_BORDER]->after_write = handle_after_write_frame;
snprintf(buf, MAX_BUF, "/detached/frame/%d/tab", id);
f->file[F_TAB] = wmii_create_ixpfile(ixps, buf, def[WM_TAB]->content);
f->file[F_TAB]->after_write = handle_after_write_frame;
snprintf(buf, MAX_BUF, "/detached/frame/%d/handleinc", id);
f->file[F_HANDLE_INC] = wmii_create_ixpfile(ixps, buf, def[WM_HANDLE_INC]->content);
f->file[F_HANDLE_INC]->after_write = handle_after_write_frame;
snprintf(buf, MAX_BUF, "/detached/frame/%d/locked", id);
f->file[F_LOCKED] = wmii_create_ixpfile(ixps, buf, def[WM_LOCKED]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/sstyle/bgcolor", id);
f->file[F_SEL_BG_COLOR] = wmii_create_ixpfile(ixps, buf, def[WM_SEL_BG_COLOR]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/sstyle/fgcolor", id);
f->file[F_SEL_FG_COLOR] = wmii_create_ixpfile(ixps, buf, def[WM_SEL_FG_COLOR]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/sstyle/bordercolor", id);
f->file[F_SEL_BORDER_COLOR] = wmii_create_ixpfile(ixps, buf, def[WM_SEL_BORDER_COLOR]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/nstyle/bgcolor", id);
f->file[F_NORM_BG_COLOR] = wmii_create_ixpfile(ixps, buf, def[WM_NORM_BG_COLOR]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/nstyle/fgcolor", id);
f->file[F_NORM_FG_COLOR] = wmii_create_ixpfile(ixps, buf, def[WM_NORM_FG_COLOR]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/nstyle/bordercolor", id);
f->file[F_NORM_BORDER_COLOR] = wmii_create_ixpfile(ixps, buf, def[WM_NORM_BORDER_COLOR]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/event/b2press", id);
f->file[F_EVENT_B2PRESS] = wmii_create_ixpfile(ixps, buf, def[WM_EVENT_B2PRESS]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/event/b3press", id);
f->file[F_EVENT_B3PRESS] = wmii_create_ixpfile(ixps, buf, def[WM_EVENT_B3PRESS]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/event/b4press", id);
f->file[F_EVENT_B4PRESS] = wmii_create_ixpfile(ixps, buf, def[WM_EVENT_B4PRESS]->content);
snprintf(buf, MAX_BUF, "/detached/frame/%d/event/b5press", id);
f->file[F_EVENT_B5PRESS] = wmii_create_ixpfile(ixps, buf, def[WM_EVENT_B5PRESS]->content);
id++;
wa.override_redirect = 1;
wa.background_pixmap = ParentRelative;
wa.event_mask = ExposureMask | ButtonPressMask | ButtonReleaseMask
| PointerMotionMask | SubstructureRedirectMask
| SubstructureNotifyMask;
bw = border_width(f);
th = tab_height(f);
f->rect.width += 2 * bw;
f->rect.height += bw + (th ? th : bw);
f->win = XCreateWindow(dpy, root, f->rect.x, f->rect.y, f->rect.width,
f->rect.height, 0, DefaultDepth(dpy, screen_num),
CopyFromParent, DefaultVisual(dpy, screen_num),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
XDefineCursor(dpy, f->win, f->cursor);
f->gc = XCreateGC(dpy, f->win, 0, 0);
XSync(dpy, False);
cext_attach_item(&frames, f);
return f;
}
static int comp_frame_win(void *pattern, void *frame)
{
Window w = *(Window *)pattern;
Frame *f = frame;
return w == f->win;
}
Frame *win_to_frame(Window w)
{
return cext_find_item(&frames, &w, comp_frame_win);
}
void destroy_frame(Frame * f)
{
cext_detach_item(&frames, f);
XFreeGC(dpy, f->gc);
XDestroyWindow(dpy, f->win);
ixp_remove_file(ixps, f->file[F_PREFIX]);
free(f);
}
unsigned int tab_height(Frame * f)
{
if (_strtonum(f->file[F_TAB]->content, 1, 1))
return font->ascent + font->descent + 4;
return 0;
}
unsigned int border_width(Frame * f)
{
if (_strtonum(f->file[F_BORDER]->content, 0, 1))
return BORDER_WIDTH;
return 0;
}
typedef struct {
unsigned int tabh;
unsigned int bw;
} Twouint;
static void iter_resize_client(void *item, void *aux)
{
Client *c = item;
Twouint *v = aux;
c->rect.x = v->bw;
c->rect.y = v->tabh ? v->tabh : v->bw;
c->rect.width = c->frame->rect.width - 2 * v->bw;
c->rect.height = c->frame->rect.height - v->bw - (v->tabh ? v->tabh : v->bw);
XMoveResizeWindow(dpy, c->win, c->rect.x, c->rect.y, c->rect.width, c->rect.height);
configure_client(c);
}
static void resize_clients(Frame * f, int tabh, int bw)
{
Twouint aux = { tabh, bw };
cext_list_iterate(&f->clients, &aux, iter_resize_client);
}
static void check_dimensions(Frame * f, unsigned int tabh, unsigned int bw)
{
Client *c = get_sel_client();
if (!c)
return;
if (c->size.flags & PMinSize) {
if (f->rect.width - 2 * bw < c->size.min_width) {
f->rect.width = c->size.min_width + 2 * bw;
}
if (f->rect.height - bw - (tabh ? tabh : bw) < c->size.min_height) {
f->rect.height = c->size.min_height + bw + (tabh ? tabh : bw);
}
}
if (c->size.flags & PMaxSize) {
if (f->rect.width - 2 * bw > c->size.max_width) {
f->rect.width = c->size.max_width + 2 * bw;
}
if (f->rect.height - bw - (tabh ? tabh : bw) > c->size.max_height) {
f->rect.height = c->size.max_height + bw + (tabh ? tabh : bw);
}
}
}
static void resize_incremental(Frame * f, unsigned int tabh, unsigned int bw)
{
Client *c = get_sel_client();
if (!c)
return;
/* increment stuff, see chapter 4.1.2.3 of the ICCCM Manual */
if (c->size.flags & PResizeInc) {
int base_width = 0, base_height = 0;
if (c->size.flags & PBaseSize) {
base_width = c->size.base_width;
base_height = c->size.base_height;
} else if (c->size.flags & PMinSize) {
/* base_{width,height} default to min_{width,height} */
base_width = c->size.min_width;
base_height = c->size.min_height;
}
/* client_width = base_width + i * c->size.width_inc for an integer i */
f->rect.width -=
(f->rect.width - 2 * bw - base_width) % c->size.width_inc;
f->rect.height -=
(f->rect.height - bw - (tabh ? tabh : bw) -
base_height) % c->size.height_inc;
}
}
void resize_frame(Frame * f, XRectangle * r, XPoint * pt)
{
Area *a = f->area;
unsigned int tabh = tab_height(f);
unsigned int bw = border_width(f);
a->layout->resize(f, r, pt);
/* resize if client requests special size */
check_dimensions(f, tabh, bw);
if (f->file[F_HANDLE_INC]->content && ((char *) f->file[F_HANDLE_INC]->content)[0] == '1')
resize_incremental(f, tabh, bw);
XMoveResizeWindow(dpy, f->win, f->rect.x, f->rect.y, f->rect.width, f->rect.height);
resize_clients(f, (tabh ? tabh : bw), bw);
}
/**
* Assumes following file:
*
* ./sel-style/text-font "<value>"
* ./sel-style/text-size "<int>"
* ./sel-style/text-color "#RRGGBBAA"
* ./sel-style/bg-color "#RRGGBBAA"
* ./sel-style/border-color "#RRGGBBAA [#RRGGBBAA [#RRGGBBAA [#RRGGBBAA]]]"
* ./norm-style/text-font "<value>"
* ./norm-style/text-size "<int>"
* ./norm-style/text-color "#RRGGBBAA"
* ./norm-style/bg-color "#RRGGBBAA"
* ./norm-style/border-color "#RRGGBBAA [#RRGGBBAA [#RRGGBBAA [#RRGGBBAA]]]"
*/
void draw_frame(void *frame, void *aux)
{
Frame *f = frame;
Draw d = { 0 };
int bw = border_width(f);
XRectangle notch;
if (bw) {
notch.x = bw;
notch.y = bw;
notch.width = f->rect.width - 2 * bw;
notch.height = f->rect.height - 2 * bw;
d.drawable = f->win;
d.font = font;
d.gc = f->gc;
/* define ground plate (i = 0) */
if (f == get_sel_frame()) {
d.bg = blitz_loadcolor(dpy, screen_num, f->file[F_SEL_BG_COLOR]->content);
d.fg = blitz_loadcolor(dpy, screen_num, f->file[F_SEL_FG_COLOR]->content);
d.border = blitz_loadcolor(dpy, screen_num, f->file[F_SEL_BORDER_COLOR]->content);
} else {
d.bg = blitz_loadcolor(dpy, screen_num, f->file[F_NORM_BG_COLOR]->content);
d.fg = blitz_loadcolor(dpy, screen_num, f->file[F_NORM_FG_COLOR]->content);
d.border = blitz_loadcolor(dpy, screen_num, f->file[F_NORM_BORDER_COLOR]->content);
}
d.rect = f->rect;
d.rect.x = d.rect.y = 0;
d.notch = &notch;
blitz_drawlabel(dpy, &d);
}
draw_clients(f);
XSync(dpy, False);
}
void handle_frame_buttonpress(XButtonEvent *e, Frame *f)
{
Align align;
size_t size = cext_sizeof(&f->clients);
int bindex, cindex = e->x / (f->rect.width / size);
/*fprintf(stderr, "%d (x) / %d (w) / %d (size) = %d (#c)\n", e->x, f->rect.width, size, cindex);*/
/*sel_client(cext_list_get_item(&f->clients, cindex));*/
cext_stack_top_item(&f->clients, cext_list_get_item(&f->clients, cindex));
f->area->layout->select(f, True);
if (e->button == Button1) {
align = cursor_to_align(f->cursor);
if (align == CENTER)
mouse_move(f);
else
mouse_resize(f, align);
return;
}
bindex = F_EVENT_B2PRESS - 2 + e->button;
/* frame mouse handling */
if (f->file[bindex]->content)
spawn(dpy, f->file[bindex]->content);
draw_frame(f, nil);
}
void attach_client_to_frame(Frame *f, Client *c)
{
wmii_move_ixpfile(c->file[C_PREFIX], f->file[F_CLIENT_PREFIX]);
f->file[F_SEL_CLIENT]->content = c->file[C_PREFIX]->content;
cext_attach_item(&f->clients, c);
c->frame = f;
reparent_client(c, f->win, border_width(f), tab_height(f));
resize_frame(f, &f->rect, 0);
show_client(c);
sel_client(c);
}
void detach_client_from_frame(Client *c)
{
Frame *f = c->frame;
Client *client;
c->frame = nil;
f->file[F_SEL_CLIENT]->content = nil;
wmii_move_ixpfile(c->file[C_PREFIX], def[WM_DETACHED_CLIENT]);
cext_detach_item(&f->clients, c);
if (!c->destroyed) {
hide_client(c);
cext_attach_item(&detached, c);
reparent_client(c, root, border_width(f), tab_height(f));
}
if ((client = cext_stack_get_top_item(&f->clients))) {
sel_client(client);
draw_frame(f, nil);
}
}
static void select_client(void *obj, char *arg)
{
Client *c;
Frame *f = obj;
size_t size = cext_sizeof(&f->clients);
if (!f || !arg || size == 1)
return;
c = cext_stack_get_top_item(&f->clients);
if (!strncmp(arg, "prev", 5))
c = cext_list_get_prev_item(&f->clients, c);
else if (!strncmp(arg, "next", 5))
c = cext_list_get_next_item(&f->clients, c);
else
c = cext_list_get_item(&f->clients, _strtonum(arg, 0, cext_sizeof(&f->clients) - 1));
sel_client(c);
draw_frame(f, nil);
}
static void iter_before_read_frame(void *item, void *aux)
{
Frame *f = item;
File *file = aux;
if (file == f->file[F_GEOMETRY]) {
char buf[64];
snprintf(buf, 64, "%d,%d,%d,%d", f->rect.x, f->rect.y, f->rect.width, f->rect.height);
if (file->content)
free(file->content);
file->content = cext_estrdup(buf);
file->size = strlen(buf);
}
}
static void handle_before_read_frame(IXPServer *s, File *f)
{
cext_list_iterate(&frames, f, iter_before_read_frame);
}
static void iter_after_write_frame(void *item, void *aux)
{
Frame *f = item;
File *file = aux;
if (file == f->file[F_CTL]) {
run_action(file, f, frame_acttbl);
return;
}
if (file == f->file[F_TAB] || file == f->file[F_BORDER] || file == f->file[F_HANDLE_INC]) {
f->area->layout->arrange(f->area);
draw_page(f->area->page);
return;
} else if (file == f->file[F_GEOMETRY]) {
char *geom = f->file[F_GEOMETRY]->content;
if (geom && strrchr(geom, ',')) {
XRectangle frect;
blitz_strtorect(&rect, &frect, geom);
resize_frame(f, &frect, 0);
draw_page(f->area->page);
}
return;
}
}
static void handle_after_write_frame(IXPServer * s, File * f)
{
cext_list_iterate(&frames, f, iter_after_write_frame);
}
Frame *get_sel_frame_of_area(Area *a)
{
return cext_stack_get_top_item(a->layout->get_frames(a));
}
Frame *get_sel_frame()
{
Page *p = get_sel_page();
if (!p)
return nil;
return get_sel_frame_of_area(get_sel_area(p));
}