+/*
+ * Copyright (c) 2011, Andy Spencer <andy753421@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ */
+
#include <stdio.h>
+#include <stdlib.h>
+#include "util.h"
+#include "conf.h"
#include "sys.h"
#include "wm.h"
+/* Configuration */
+#ifndef MODKEY
+#define MODKEY alt
+#endif
+static int MARGIN = 0;
+static int STACK = 25;
+
+/* Enums */
typedef enum {
none, move, resize
-} Mode_t;
+} drag_t;
-win_t *kwin;
-ptr_t kptr;
-Mode_t mode;
+typedef enum {
+ split, stack, max, tab
+} mode_t;
-int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
+typedef enum {
+ tiling, floating
+} layer_t;
+
+/* Window structure types */
+struct win_wm { };
+
+typedef struct {
+ win_t *win; // the window
+ int height; // win height in _this_ tag
+ state_t state; // state of window
+} row_t;
+
+typedef struct {
+ list_t *rows; // of row_t
+ row_t *row; // focused row
+ int width; // column width
+ mode_t mode; // display mode
+} col_t;
+
+typedef struct {
+ win_t *win; // the window
+ int x, y, w, h; // position of window (in this tag)
+ state_t state; // state of window
+} flt_t;
+
+typedef struct {
+ list_t *cols; // of col_t
+ col_t *col; // focused col
+ list_t *flts; // of flt_t
+ flt_t *flt; // focused flt
+ layer_t layer; // focused layer
+ win_t *geom; // display size and position
+} dpy_t;
+
+typedef struct {
+ list_t *dpys; // of dpy_t
+ dpy_t *dpy; // focused dpy
+ int name; // tag name
+} tag_t;
+
+typedef struct {
+ list_t *tags; // of tag_t
+ tag_t *tag; // focused tag
+ win_t *root; // root/background window
+ list_t *screens; // display geometry
+} wm_t;
+
+#define WIN(node) ((win_t*)(node)->data)
+#define ROW(node) ((row_t*)(node)->data)
+#define COL(node) ((col_t*)(node)->data)
+#define FLT(node) ((flt_t*)(node)->data)
+#define DPY(node) ((dpy_t*)(node)->data)
+#define TAG(node) ((tag_t*)(node)->data)
+
+#define tag_foreach_col(tag, dpy, col, row, win) \
+ for (list_t *dpy = tag ->dpys; dpy; dpy = dpy->next) \
+ for (list_t *col = DPY(dpy)->cols; col; col = col->next) \
+ for (list_t *row = COL(col)->rows; row; row = row->next) \
+ for (win_t *win = ROW(row)->win; win; win = NULL)
+
+#define tag_foreach_flt(tag, dpy, flt, win) \
+ for (list_t *dpy = tag ->dpys; dpy; dpy = dpy->next) \
+ for (list_t *flt = DPY(dpy)->flts; flt; flt = flt->next) \
+ for (win_t *win = FLT(flt)->win; win; win = NULL) \
+
+/* Window management data
+ * wm_* macros represent the currently focused item
+ * _only_ wm_focus protects against NULL pointers */
+static wm_t *wm;
+#define wm_tag wm->tag
+#define wm_dpy wm->tag->dpy
+#define wm_col wm->tag->dpy->col
+#define wm_row wm->tag->dpy->col->row
+#define wm_flt wm->tag->dpy->flt
+#define wm_focus get_focus()
+
+/* Mouse drag data */
+static drag_t move_mode;
+static list_t *move_lrow;
+static list_t *move_lcol;
+static list_t *move_lflt;
+static ptr_t move_prev;
+static layer_t move_layer;
+static struct { int v, h; } move_dir;
+
+/********************
+ * Helper functions *
+ ********************/
+static int sort_win(void *a, void *b)
+{
+ return ((win_t*)a)->x > ((win_t*)b)->x ? 1 :
+ ((win_t*)a)->x < ((win_t*)b)->x ? -1 : 0;
+}
+
+static win_t *get_focus(void)
+{
+ if (!wm_tag || !wm_dpy)
+ return NULL;
+ switch (wm_dpy->layer) {
+ case tiling:
+ return wm_col && wm_row ? wm_row->win : NULL;
+ case floating:
+ return wm_flt ? wm_flt->win : NULL;
+ }
+ return NULL;
+}
+
+/* Search for the target window in a given tag
+ * win may exist in other tags as well */
+static int searchl(tag_t *tag, win_t *target,
+ list_t **_dpy, list_t **_col, list_t **_row, list_t **_flt)
+{
+ tag_foreach_col(tag, dpy, col, row, win) {
+ if (win == target) {
+ if (_dpy) *_dpy = dpy;
+ if (_col) *_col = col;
+ if (_row) *_row = row;
+ return tiling;
+ }
+ }
+ tag_foreach_flt(tag, dpy, flt, win) {
+ if (win == target) {
+ if (_dpy) *_dpy = dpy;
+ if (_flt) *_flt = flt;
+ return floating;
+ }
+ }
+ return -1;
+}
+
+static int search(tag_t *tag, win_t *target,
+ dpy_t **_dpy, col_t **_col, row_t **_row, flt_t **_flt)
+{
+ list_t *dpy, *col, *row, *flt;
+ switch (searchl(tag, target, &dpy, &col, &row, &flt)) {
+ case tiling:
+ if (_dpy) *_dpy = DPY(dpy);
+ if (_col) *_col = COL(col);
+ if (_row) *_row = ROW(row);
+ return tiling;
+ case floating:
+ if (_dpy) *_dpy = DPY(dpy);
+ if (_flt) *_flt = FLT(flt);
+ return floating;
+ }
+ return -1;
+}
+
+/* Set the mode for the windows column in the current tag */
+static void set_mode(win_t *win, mode_t mode)
+{
+ col_t *col;
+ if (tiling != search(wm_tag, win, NULL, &col, NULL, NULL))
+ return;
+ printf("set_mode: %p, %d -> %d\n",
+ col, col->mode, mode);
+ col->mode = mode;
+ if (col->mode == split)
+ for (list_t *cur = col->rows; cur; cur = cur->next) {
+ row_t *row = cur->data;
+ row->height = wm_dpy->geom->h;
+ }
+ wm_update();
+}
+
+/* Focus the window in the current tag and record
+ * it as the currently focused window */
+static void set_focus(win_t *win)
{
- if (!win)
+ if (win == NULL || win == wm->root) {
+ sys_focus(wm->root);
return;
- printf("wm_handle_key: %p - %x %hhx\n",
- win, key, mod2int(mod));
- kptr = ptr;
- kwin = win;
-
- /* Raise */
- if ((key == key_f1 && mod.ctrl) ||
- (key_mouse0 <= key && key <= key_mouse7))
+ }
+
+ /* - Only grab mouse button on unfocused window,
+ * this prevents stealing all mouse clicks from client windows,
+ * - A better way may be to re-send mouse clicks to client windows
+ * using the return value from wm_handle_key */
+ for (int i = key_mouse1; i < key_mouse7; i++) {
+ if (wm_focus)
+ sys_watch(wm_focus, i, MOD());
+ sys_unwatch(win, i, MOD());
+ }
+
+ dpy_t *dpy; col_t *col; row_t *row; flt_t *flt;
+ switch (search(wm_tag, win, &dpy, &col, &row, &flt)) {
+ case tiling:
+ wm_dpy = dpy;
+ wm_col = col;
+ wm_row = row;
+ dpy->layer = tiling;
+ break;
+ case floating:
+ wm_dpy = dpy;
+ wm_flt = flt;
+ dpy->layer = floating;
+ break;
+ }
+ sys_focus(win);
+}
+
+/* Save mouse start location when moving/resizing windows */
+static void set_move(win_t *win, ptr_t ptr, drag_t drag)
+{
+ printf("set_move: %d - %p@%d,%d\n",
+ drag, win, ptr.rx, ptr.ry);
+ move_mode = drag;
+ if (drag == move || drag == resize) {
+ move_layer = searchl(wm_tag, win, NULL,
+ &move_lcol, &move_lrow, &move_lflt);
+ if (move_layer < 0)
+ return;
+ move_prev = ptr;
+ int midy = win->y + (win->h/2);
+ int midx = win->x + (win->w/2);
+ move_dir.v = ptr.ry < midy ? -1 : +1;
+ move_dir.h = ptr.rx < midx ? -1 : +1;
+ }
+}
+
+/* Print a text representation of the window layout
+ * Quite useful for debugging */
+static void print_txt(void)
+{
+ for (list_t *ltag = wm->tags; ltag; ltag = ltag->next) {
+ tag_t *tag = ltag->data;
+ printf("tag: <%-9p [%p->%p] >%-9p d=%-9p - %d\n",
+ ltag->prev, ltag, ltag->data, ltag->next,
+ tag->dpy, tag->name);
+ for (list_t *ldpy = tag->dpys; ldpy; ldpy = ldpy->next) {
+ dpy_t *dpy = ldpy->data;
+ win_t *geom = dpy->geom;
+ printf(" dpy: <%-9p [%p->%p] >%-9p %c=%-9p - %d,%d %dx%d\n",
+ ldpy->prev, ldpy, ldpy->data, ldpy->next,
+ dpy->layer == tiling ? 'c' : 'f',
+ dpy->layer == tiling ? (void*)dpy->col : (void*)dpy->flt,
+ geom->x, geom->y, geom->h, geom->w);
+ for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
+ col_t *col = lcol->data;
+ printf(" col: <%-9p [%p->%p] >%-9p r=%-9p - %dpx @ %d\n",
+ lcol->prev, lcol, lcol->data, lcol->next,
+ col->row, col->width, col->mode);
+ for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
+ row_t *row = lrow->data;
+ win_t *win = row->win;
+ printf(" win: <%-9p [%p>>%p] >%-9p focus=%d%d - %4dpx \n",
+ lrow->prev, lrow, win, lrow->next,
+ col->row == row, wm_focus == win, win->h);
+ } }
+ for (list_t *lflt = dpy->flts; lflt; lflt = lflt->next) {
+ flt_t *flt = lflt->data;
+ win_t *win = flt->win;
+ printf(" flt: <%-9p [%p>>%p] >%-9p focus=%d%d - %d,%d %dx%d \n",
+ lflt->prev, lflt, win, lflt->next,
+ dpy->flt == flt, wm_focus == flt->win,
+ flt->x, flt->y, flt->h, flt->w);
+ } } }
+}
+
+/* Cleanly remove a window from a tag
+ * Determines the new focused row/col
+ * Prunes empty lists */
+static layer_t cut_win(win_t *win, tag_t *tag)
+{
+ list_t *ldpy, *lcol, *lrow, *lflt;
+ layer_t layer = searchl(tag, win, &ldpy, &lcol, &lrow, &lflt);
+
+ if (layer == tiling) {
+ dpy_t *dpy = DPY(ldpy);
+ col_t *col = COL(lcol);
+ col->row = lrow->prev ? lrow->prev->data :
+ lrow->next ? lrow->next->data : NULL;
+ col->rows = list_remove(col->rows, lrow, 1);
+ if (col->rows == NULL && (lcol->next || lcol->prev)) {
+ dpy->col = lcol->prev ? lcol->prev->data :
+ lcol->next ? lcol->next->data : NULL;
+ dpy->cols = list_remove(dpy->cols, lcol, 1);
+ }
+ }
+
+ if (layer == floating) {
+ dpy_t *dpy = DPY(ldpy);
+ dpy->flts = list_remove(dpy->flts, lflt, 1);
+ dpy->flt = dpy->flts ? list_last(dpy->flts)->data : NULL;
+ if (!dpy->flt && dpy->col && dpy->col->row)
+ dpy->layer = tiling;
+ }
+
+ return layer;
+}
+
+/* Insert a window into the tiling layer
+ * The window is added immediately after the
+ * columns currently focused row */
+static void put_win_col(win_t *win, tag_t *tag, dpy_t *dpy, col_t *col)
+{
+ row_t *row = new0(row_t);
+ row->win = win;
+
+ if (col == NULL) {
+ col = new0(col_t);
+ dpy->cols = list_insert(dpy->cols, col);
+ }
+
+ int nrows = list_length(col->rows);
+ if (col->row) {
+ list_t *prev = list_find(col->rows, col->row);
+ list_insert_after(prev, row);
+ } else {
+ col->rows = list_insert(col->rows, row);
+ }
+ tag->dpy = dpy;
+ tag->dpy->col = col;
+ tag->dpy->col->row = row;
+ tag->dpy->layer = tiling;
+
+ row->height = dpy->geom->h / MAX(nrows,1);
+ if (nrows == 0) {
+ int ncols = list_length(dpy->cols);
+ col->width = dpy->geom->w / MAX(ncols-1,1);
+ }
+}
+
+/* Insert a window into the floating layer */
+static void put_win_flt(win_t *win, tag_t *tag, dpy_t *dpy)
+{
+ flt_t *flt = new0(flt_t);
+ flt->win = win;
+ flt->w = dpy->geom->w / 2;
+ flt->h = dpy->geom->h / 2;
+ flt->x = dpy->geom->x + flt->w / 2;
+ flt->y = dpy->geom->y + flt->h / 2;
+ if (dpy->flt) {
+ flt->x = dpy->flt->x + 20;
+ flt->y = dpy->flt->y + 20;
+ }
+ dpy->flts = list_append(dpy->flts, flt);
+ tag->dpy = dpy;
+ tag->dpy->flt = flt;
+ tag->dpy->layer = floating;
+}
+
+/* Insert a window into a tag */
+static void put_win(win_t *win, tag_t *tag, layer_t layer)
+{
+ if (layer == tiling)
+ put_win_col(win, tag, tag->dpy, tag->dpy->col);
+ if (layer == floating)
+ put_win_flt(win, tag, tag->dpy);
+}
+
+/* Move a window up, down, left, or right
+ * This handles moving with a column, between
+ * columns, and between multiple monitors. */
+static void shift_window(win_t *win, int col, int row)
+{
+ if (!win) return;
+ printf("shift_window: %p - %+d,%+d\n", win, col, row);
+ print_txt();
+ printf("shift_window: >>>\n");
+ list_t *ldpy, *lcol, *lrow, *lflt;
+ if (tiling != searchl(wm_tag, win, &ldpy, &lcol, &lrow, &lflt))
+ return;
+ dpy_t *dpy = ldpy->data;
+ if (row != 0) {
+ /* Move with a column, just swap rows */
+ list_t *src = lrow, *dst = NULL;
+ if (row < 0) dst = src->prev;
+ if (row > 0) dst = src->next;
+ if (src && dst) {
+ printf("swap: %p <-> %p\n", src->data, dst->data);
+ row_t *tmp = src->data;
+ src->data = dst->data;
+ dst->data = tmp;
+ goto update;
+ }
+ } else {
+ /* Moving between columns */
+ int onlyrow = !lrow->prev && !lrow->next;
+ list_t *src = lcol, *dst = NULL;
+ if (col < 0) {
+ if (src->prev) {
+ /* Normal move between columns */
+ dst = src->prev;
+ } else if (!onlyrow) {
+ /* Create new column */
+ dpy->cols = list_insert(dpy->cols, new0(col_t));
+ dst = src->prev;
+ } else if (ldpy->prev) {
+ /* Move to next monitor */
+ dpy = ldpy->prev->data;
+ dst = list_last(dpy->cols);
+ } else {
+ /* We, shall, not, be,
+ * we shall not be moved */
+ return;
+ }
+ }
+ if (col > 0) {
+ if (src->next) {
+ dst = src->next;
+ } else if (!onlyrow) {
+ dpy->cols = list_append(dpy->cols, new0(col_t));
+ dst = src->next;
+ } else if (ldpy->next) {
+ dpy = ldpy->next->data;
+ dst = dpy->cols;
+ } else {
+ return;
+ }
+ }
+ cut_win(win, wm_tag);
+ put_win_col(win, wm_tag, dpy, dst ? dst->data : NULL);
+ goto update;
+ }
+update:
+ print_txt();
+ wm_update();
+}
+
+/* Get next/prev item, with wraparound */
+static list_t *get_next(list_t *list, int forward)
+{
+ list_t *next = forward ? list->next : list->prev;
+ if (next == NULL) {
+ next = list;
+ while ((list = forward ? next->prev : next->next))
+ next = list;
+ }
+ return next;
+}
+
+/* Move keyboard focus in a given direction */
+static void shift_focus(int cols, int rows)
+{
+ printf("shift_focus: %+d,%+d\n", cols, rows);
+ if (rows != 0 && wm_focus) {
+ /* Move focus up/down */
+ list_t *dpy, *col, *row;
+ if (tiling != searchl(wm_tag, wm_focus, &dpy, &col, &row, NULL))
+ return;
+ row_t *next = get_next(row, rows > 0)->data;
+ set_focus(next->win);
+ if (COL(col)->mode != split)
+ wm_update();
+ }
+ if (cols != 0) {
+ /* Move focus left/right */
+ list_t *dpy, *col, *row, *ndpy, *ncol = NULL;
+ if (wm_focus) {
+ /* Currently focused on a window */
+ if (tiling != searchl(wm_tag, wm_focus, &dpy, &col, &row, NULL))
+ return;
+ ncol = cols > 0 ? col->next : col->prev;
+ } else {
+ /* Currently focused on an empty display */
+ dpy = list_find(wm_tag->dpys, wm_dpy);
+ }
+ if (ncol == NULL) {
+ /* Moving focus to a different display */
+ ndpy = get_next(dpy, cols > 0);
+ ncol = cols > 0 ? DPY(ndpy)->cols :
+ list_last(DPY(ndpy)->cols);
+ wm_dpy = ndpy->data;
+ }
+ if (ncol && COL(ncol) && COL(ncol)->row)
+ set_focus(COL(ncol)->row->win);
+ else
+ sys_focus(wm->root);
+ }
+}
+
+/* Raise the window in the floating */
+static void raise_float(win_t *win)
+{
+ printf("raise_float: %p\n", win);
+ list_t *cur;
+ for (cur = wm_dpy->flts; cur; cur = cur->next)
+ if (FLT(cur)->win == win)
+ break;
+ if (cur) {
+ flt_t *flt = cur->data;
+ wm_dpy->flts = list_remove(wm_dpy->flts, cur, 0);
+ wm_dpy->flts = list_append(wm_dpy->flts, flt);
sys_raise(win);
+ }
+}
+
+/* Toggle between floating and tiling layers */
+static void switch_layer(void)
+{
+ printf("switch_float: %p %d\n",
+ wm_dpy, wm_dpy->layer);
+ wm_dpy->layer = !wm_dpy->layer;
+ wm_update();
+}
+
+/* Move current window between floating and tiling layers */
+static void set_layer(win_t *win)
+{
+ if (!win) return;
+ printf("set_float: %p %p\n", wm_dpy, win);
+ wm_dpy->layer = !cut_win(win, wm_tag);
+ put_win(win, wm_tag, wm_dpy->layer);
+ wm_update();
+}
+
+/* Allocate a new tag */
+static tag_t *tag_new(list_t *screens, int name)
+{
+ tag_t *tag = new0(tag_t);
+ tag->name = name;
+ for (list_t *cur = screens; cur; cur = cur->next) {
+ dpy_t *dpy = new0(dpy_t);
+ dpy->geom = cur->data;
+ tag->dpys = list_append(tag->dpys, dpy);
+ }
+ tag->dpy = tag->dpys->data;
+ return tag;
+}
+
+/* Search for a tag
+ * If it does not exist it is based on the
+ * display geometry in wm->screens */
+static tag_t *tag_find(int name)
+{
+ tag_t *tag = NULL;
+ for (list_t *cur = wm->tags; cur; cur = cur->next)
+ if (name == TAG(cur)->name) {
+ tag = cur->data;
+ break;
+ }
+ if (!tag) {
+ tag = tag_new(wm->screens, name);
+ wm->tags = list_append(wm->tags, tag);
+ }
+ return tag;
+}
+
+/* Move the window from the current tag to the new tag
+ * Unlike wmii, only remove the current tag, not all tags */
+static void tag_set(win_t *win, int name)
+{
+ printf("tag_set: %p %d\n", win, name);
+ if (wm_tag->name == name)
+ return;
+ tag_t *tag = tag_find(name);
+ layer_t layer = cut_win(win, wm_tag);
+ put_win(win, tag, layer);
+ set_focus(wm_focus);
+}
- /* Movement */
- if (key_mouse0 <= key && key <= key_mouse7 &&
- mod.up && mode != none)
- return mode = none, 1;
- else if (key == key_mouse1 && mod.ctrl)
- return mode = move, 1;
- else if (key == key_mouse3 && mod.ctrl)
- return mode = resize, 1;
+/* Switch to a different tag */
+static void tag_switch(int name)
+{
+ printf("tag_switch: %d\n", name);
+ tag_t *old = wm_tag;
+ if ((wm_col == NULL || wm_row == NULL) && wm_flt == NULL) {
+ while (old->dpys) {
+ dpy_t *dpy = old->dpys->data;
+ while (dpy->cols)
+ dpy->cols = list_remove(dpy->cols, dpy->cols, 1);
+ old->dpys = list_remove(old->dpys, old->dpys, 1);
+ }
+ list_t *ltag = list_find(wm->tags, old);
+ wm->tags = list_remove(wm->tags, ltag, 1);
+ }
+ wm_tag = tag_find(name);
+}
+
+/* Tile all windows in the given display
+ * This performs all the actual window tiling
+ * Currently supports split, stack and maximized modes */
+static void wm_update_cols(dpy_t *dpy)
+{
+ int x=0, y=0; // Current window top-left position
+ int tx=0, ty=0; // Total size (sum of initial col widths and row heights w/o margin)
+ int mx=0, my=0; // Maximum usable size (screen size minus margins)
+ int sy=0; // Stack size (height of focused stack window)
+
+ /* Scale horizontally */
+ x = dpy->geom->x;
+ mx = dpy->geom->w - (list_length(dpy->cols)+1)*MARGIN;
+ for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next)
+ tx += COL(lcol)->width;
+ for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next)
+ COL(lcol)->width *= (float)mx / tx;
+
+ /* Scale each column vertically */
+ win_t *focus = get_focus();
+ for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
+ col_t *col = lcol->data;
+ int nrows = list_length(col->rows);
+ ty = 0;
+ for (list_t *lrow = col->rows; lrow; lrow = lrow->next)
+ ty += ROW(lrow)->height;
+ y = dpy->geom->y;
+ my = dpy->geom->h - (MARGIN + (nrows-1)* MARGIN + MARGIN);
+ sy = dpy->geom->h - (MARGIN + (nrows-1)*(MARGIN/2) + MARGIN)
+ - (nrows-1)* STACK;
+ for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
+ win_t *win = ROW(lrow)->win;
+ win->h = ROW(lrow)->height;
+ state_t state = st_show;
+ int height = 0;
+ switch (col->mode) {
+ case split:
+ sys_move(win, x+MARGIN, y+MARGIN,
+ col->width, win->h * ((float)my / ty));
+ height = win->h;
+ y += height + MARGIN;
+ break;
+ case stack:
+ if (lrow->next && ROW(lrow->next)->win == col->row->win) {
+ /* Hack to prevent flashing */
+ win_t *next = ROW(lrow->next)->win;
+ sys_move(next, x+MARGIN, y+MARGIN+STACK+MARGIN/2,
+ col->width, sy);
+ sys_show(next, st_show);
+ }
+ int isfocus = win == col->row->win;
+ state = isfocus ? st_show : st_shade;
+ sys_show(win, state);
+ sys_move(win, x+MARGIN, y+MARGIN, col->width, sy);
+ y += (isfocus ? sy : STACK) + (MARGIN/2);
+ break;
+ case max:
+ case tab:
+ sys_move(win, x+MARGIN, 0+MARGIN,
+ col->width, dpy->geom->h-2*MARGIN);
+ break;
+ }
+ ROW(lrow)->state = state;
+ sys_show(win, state);
+ if (focus == win)
+ sys_raise(win);
+ ROW(lrow)->height = win->h;
+ }
+ x += col->width + MARGIN;
+ }
+}
+
+/*******************************
+ * Window management functions *
+ *******************************/
+void wm_update(void)
+{
+ /* Show/hide tags */
+ tag_foreach_col(wm_tag, dpy, col, row, win)
+ sys_show(win, ROW(row)->state);
+ tag_foreach_flt(wm_tag, dpy, flt, win)
+ sys_show(win, FLT(flt)->state);
+ for (list_t *tag = wm ->tags; tag; tag = tag->next)
+ if (tag->data != wm_tag) {
+ tag_foreach_col(TAG(tag), dpy, col, row, win)
+ sys_show(win, st_hide);
+ tag_foreach_flt(TAG(tag), dpy, flt, win)
+ sys_show(win, st_hide);
+ }
+
+ /* Refresh the display */
+ for (list_t *ldpy = wm_tag->dpys; ldpy; ldpy = ldpy->next)
+ wm_update_cols(ldpy->data);
+ tag_foreach_flt(wm_tag, ldpy, lflt, win) {
+ flt_t *flt = lflt->data;
+ sys_move(win, flt->x, flt->y, flt->w, flt->h);
+ sys_raise(flt->win);
+ }
+ if (wm_focus)
+ set_focus(wm_focus);
+}
+
+int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
+{
+ if (!win || win == wm_dpy->geom) return 0;
+ //printf("wm_handle_key: %p - %x %c%c%c%c%c\n", win, key,
+ // mod.up ? '^' : 'v',
+ // mod.alt ? 'a' : '-',
+ // mod.ctrl ? 'c' : '-',
+ // mod.shift ? 's' : '-',
+ // mod.win ? 'w' : '-');
+
+ /* Mouse movement */
+ if (key == key_mouse1)
+ raise_float(win);
+ if (key_mouse0 <= key && key <= key_mouse7) {
+ if (key == key_mouse1 && mod.MODKEY && !mod.up)
+ return set_move(win,ptr,move), 1;
+ if (key == key_mouse3 && mod.MODKEY && !mod.up)
+ return set_move(win,ptr,resize), 1;
+ if (move_mode != none && mod.up)
+ return set_move(win,ptr,none), 1;
+ if (key == key_mouse1 && !mod.up && win->state == st_shade)
+ return set_focus(win), wm_update(), 0;
+ return 0;
+ }
+
+ /* Only handle key-down */
+ if (mod.up)
+ return 0;
+
+ /* Misc */
+ if (mod.MODKEY) {
+#ifdef DEBUG
+ if (key == key_f1) return raise_float(win), 1;
+ if (key == key_f2) return set_focus(win), 1;
+ if (key == key_f3) return sys_show(win, st_show), 1;
+ if (key == key_f4) return sys_show(win, st_hide), 1;
+ if (key == key_f7) return sys_show(win, st_shade), 1;
+#endif
+ if (key == key_f5) return wm_update(), 1;
+ if (key == key_f6) return print_txt(), 1;
+ if (key == 'q') return sys_exit(), 1;
+ }
+
+ /* Floating layer */
+ if (key == ' ') {
+ if (mod.MODKEY && mod.shift)
+ return set_layer(win), 1;
+ if (mod.MODKEY)
+ return switch_layer(), 1;
+ }
+
+ /* Movement commands */
+ if (mod.MODKEY && mod.shift) {
+ switch (key) {
+ case 'h': return shift_window(wm_focus,-1, 0), 1;
+ case 'j': return shift_window(wm_focus, 0,+1), 1;
+ case 'k': return shift_window(wm_focus, 0,-1), 1;
+ case 'l': return shift_window(wm_focus,+1, 0), 1;
+ default: break;
+ }
+ }
+ else if (mod.MODKEY) {
+ switch (key) {
+ case 'h': return shift_focus(-1, 0), 1;
+ case 'j': return shift_focus( 0,+1), 1;
+ case 'k': return shift_focus( 0,-1), 1;
+ case 'l': return shift_focus(+1, 0), 1;
+ default: break;
+ }
+ }
+
+ /* Column mode commands */
+ if (mod.MODKEY) {
+ switch (key) {
+ case 'd': return set_mode(win, split), 1;
+ case 's': return set_mode(win, stack), 1;
+ case 'm': return set_mode(win, max), 1;
+ case 't': return set_mode(win, tab), 1;
+ default: break;
+ }
+ }
+
+ /* Tag switching */
+ if (mod.MODKEY && '0' <= key && key <= '9') {
+ int name = key - '0';
+ if (mod.shift)
+ tag_set(win, name);
+ else
+ tag_switch(name);
+ wm_update();
+ }
+
+ /* Focus change */
+ if (key == key_enter && win->state != st_shade)
+ return set_focus(win), 1;
+
+ if (key_mouse0 <= key && key <= key_mouse7)
+ return set_focus(win), 0;
+
+ /* Reset focus after after focus change,
+ * not sure what is causing the focus change in the first place
+ * but preventing that would be a better solution */
+ if (key == key_focus)
+ sys_focus(wm_focus ?: wm->root);
return 0;
}
-int wm_handle_ptr(win_t *win, ptr_t ptr)
+int wm_handle_ptr(win_t *cwin, ptr_t ptr)
{
- printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
- win, ptr.x, ptr.y, ptr.rx, ptr.ry, mode);
- int dx = ptr.rx - kptr.rx;
- int dy = ptr.ry - kptr.ry;
- if (mode == move)
- sys_move(kwin, kwin->x+dx, kwin->y+dy, kwin->w, kwin->h);
- else if (mode == resize)
- sys_move(kwin, kwin->x, kwin->y, kwin->w+dx, kwin->h+dy);
+ //printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
+ // cwin, ptr.x, ptr.y, ptr.rx, ptr.ry, move_mode);
+
+ if (move_mode == none)
+ return 0;
+
+ int dx = ptr.rx - move_prev.rx;
+ int dy = ptr.ry - move_prev.ry;
+ move_prev = ptr;
+
+ if (move_layer == tiling && move_mode == resize) {
+ list_t *vert = move_dir.v < 0 ? move_lrow->prev : move_lrow->next;
+ list_t *horz = move_dir.h < 0 ? move_lcol->prev : move_lcol->next;
+ if (vert) {
+ ROW(move_lrow)->height += move_dir.v * dy;
+ ROW(vert)->height -= move_dir.v * dy;
+ }
+ if (horz) {
+ COL(move_lcol)->width += move_dir.h * dx;
+ COL(horz)->width -= move_dir.h * dx;
+ }
+ wm_update();
+ }
+
+ if (move_layer == floating) {
+ flt_t *flt = move_lflt->data;
+ win_t *win = flt->win;
+ if (move_mode == move)
+ sys_move(win, win->x+dx, win->y+dy, win->w, win->h);
+ else if (move_mode == resize)
+ sys_move(win,
+ win->x + dx * (move_dir.h < 0),
+ win->y + dy * (move_dir.v < 0),
+ win->w + dx * move_dir.h,
+ win->h + dy * move_dir.v);
+ flt->x = win->x; flt->y = win->y;
+ flt->w = win->w; flt->h = win->h;
+ }
+
return 0;
}
+void wm_insert(win_t *win)
+{
+ printf("wm_insert: %p\n", win);
+ print_txt();
+
+ /* Initialize window */
+ win->wm = new0(win_wm_t);
+ sys_watch(win, key_enter, MOD());
+ sys_watch(win, key_focus, MOD());
+
+ /* Add to screen */
+ put_win(win, wm_tag, wm_dpy->layer);
+
+ /* Arrange */
+ wm_update();
+ set_focus(wm_focus);
+ print_txt();
+}
+
+void wm_remove(win_t *win)
+{
+ printf("wm_remove: %p\n", win);
+ print_txt();
+ for (list_t *tag = wm->tags; tag; tag = tag->next)
+ cut_win(win, tag->data);
+ free(win->wm);
+ set_focus(wm_focus);
+ wm_update();
+ print_txt();
+}
+
void wm_init(win_t *root)
{
- sys_watch(root, key_f1, MOD(.ctrl=1));
- sys_watch(root, key_mouse1, MOD(.ctrl=1));
- sys_watch(root, key_mouse3, MOD(.ctrl=1));
+ printf("wm_init: %p\n", root);
+
+ /* Load configuration */
+ MARGIN = conf_get_int("main.margin", MARGIN);
+ STACK = conf_get_int("main.stack", STACK);
+
+ wm = new0(wm_t);
+ wm->root = root;
+ wm->screens = list_sort(sys_info(root), 0, sort_win);
+ wm->tag = tag_new(wm->screens, 1);
+ wm->tags = list_insert(NULL, wm->tag);
+
+ Key_t keys_e[] = {key_enter, key_focus};
+ Key_t keys_s[] = {'h', 'j', 'k', 'l', 'q', ' ',
+ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
+ Key_t keys_m[] = {'h', 'j', 'k', 'l', 'd', 's', 'm', 't', ' ',
+ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
+ key_f1, key_f2, key_f3, key_f4, key_f5, key_f6,
+ key_f7, key_f8, key_f9, key_f10, key_f11, key_f12,
+ key_mouse1, key_mouse3};
+ for (int i = 0; i < countof(keys_e); i++)
+ sys_watch(root, keys_e[i], MOD());
+ for (int i = 0; i < countof(keys_m); i++)
+ sys_watch(root, keys_m[i], MOD(.MODKEY=1));
+ for (int i = 0; i < countof(keys_s); i++)
+ sys_watch(root, keys_s[i], MOD(.MODKEY=1,.shift=1));
+}
+
+void wm_free(win_t *root)
+{
+ /* Re-show and free all windows */
+ while ( wm->tags) { tag_t *tag = wm->tags->data;
+ while (tag->dpys) { dpy_t *dpy = tag->dpys->data;
+ while (dpy->cols) { col_t *col = dpy->cols->data;
+ while (col->rows) { row_t *row = col->rows->data;
+ sys_show(row->win, st_show);
+ free(row->win->wm);
+ col->rows = list_remove(col->rows, col->rows, 1); }
+ dpy->cols = list_remove(dpy->cols, dpy->cols, 1); }
+ while (dpy->flts) { flt_t *flt = dpy->flts->data;
+ sys_show(flt->win, st_show);
+ free(flt->win->wm);
+ dpy->flts = list_remove(dpy->flts, dpy->flts, 1); }
+ tag->dpys = list_remove(tag->dpys, tag->dpys, 1); }
+ wm->tags = list_remove( wm->tags, wm->tags, 1); }
+
+ /* Free remaining data */
+ free(wm);
}