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mc/xv/xvscreen.c
Miguel de Icaza eb6b3842ab Initial revision
1998-02-27 04:54:42 +00:00

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/* XView panel stuff.
Copyright (C) 1995 Jakub Jelinek.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <config.h>
#include <X11/Xatom.h>
#include <xview/xview.h>
#include <xview/frame.h>
#include <xview/panel.h>
#include <xview/canvas.h>
#include <xview/scrollbar.h>
#include <xview/svrimage.h>
#include <xview/win_event.h>
#include <xview/cms.h>
#include <xview/dragdrop.h>
#include <xview/cursor.h>
#include <xview/rect.h>
#include <string.h>
#include "mad.h"
#include "mem.h"
#include "fs.h"
#include "dir.h"
#include "panel.h"
#include "dlg.h"
#include "widget.h"
#include "command.h"
#include "cmd.h"
#include "main.h"
#include "xvmain.h"
#include "xvscreen.h"
#include "util.h"
#include "ext.h" /* regex_command */
void do_enter (WPanel *panel);
extern Server_image iconRegular [2];
extern Server_image iconDirectory [2];
extern WPanel *current_panel;
extern WCommand *cmdline;
extern Cursor dropcursor;
extern Dlg_head *midnight_dlg;
extern Cms mccms;
extern Display *dpy;
extern int is_right;
#define PANELITEMBORDER 2
#define PANELBORDER 4
static void xv_panel_repaint_proc (Canvas canvas, Xv_Window paint_window,
Rectlist *repaint);
void show_dir (WPanel *panel)
{
/* This routine should update the current directory label */
xv_set ((Frame) xv_get ((Canvas) panel->widget.wdata, XV_OWNER),
FRAME_LABEL, panel->cwd,
NULL);
}
void xv_set_current_panel (WPanel *panel)
{
if (panel != current_panel)
change_panel ();
}
int x_panel_load_index (WPanel *panel, int idx)
{
return 0;
}
void xv_clear_area (Xv_window xv_win, Rect *rect)
{
XClearArea (dpy, xv_get (xv_win, XV_XID),
rect->r_left, rect->r_top,
rect->r_width, rect->r_height,
FALSE);
}
void xv_invalidate_rect (Canvas canvas, Rect *rect)
{
Xv_window xv_win, xv_view;
Scrollbar scrollbar;
Rect rec;
int i, j;
Rectlist rl;
Rectnode rn;
CANVAS_EACH_PAINT_WINDOW (canvas, xv_win)
if (rect == NULL) {
rec.r_left = 0;
rec.r_top = 0;
rec.r_width = xv_get (xv_win, XV_WIDTH);
rec.r_height = xv_get (xv_win, XV_HEIGHT);
xv_clear_area (xv_win, &rec);
} else
rec = *rect;
xv_view = xv_get (xv_win, CANVAS_PAINT_VIEW_WINDOW);
scrollbar = (Scrollbar) xv_get (canvas, OPENWIN_HORIZONTAL_SCROLLBAR, xv_win);
if (scrollbar != XV_NULL) {
i = xv_get (scrollbar, SCROLLBAR_VIEW_START);
j = xv_get (xv_view, XV_WIDTH);
if (rec.r_left < i)
rec.r_left = i;
if (rec.r_left + rec.r_width > i + j)
rec.r_width = i + j - rec.r_left;
}
scrollbar = (Scrollbar) xv_get (canvas, OPENWIN_VERTICAL_SCROLLBAR, xv_win);
if (scrollbar != XV_NULL) {
i = xv_get (scrollbar, SCROLLBAR_VIEW_START) *
xv_get (scrollbar, SCROLLBAR_PIXELS_PER_UNIT);
j = xv_get (xv_view, XV_HEIGHT);
if (rec.r_top < i)
rec.r_top = i;
if (rec.r_top + rec.r_height > i + j)
rec.r_height = i + j - rec.r_top;
}
rn.rn_next = NULL;
rn.rn_rect = rec;
rl.rl_x = 0;
rl.rl_y = 0;
rl.rl_head = rl.rl_tail = &rn;
rl.rl_bound = rec;
xv_panel_repaint_proc (canvas, xv_win, &rl);
CANVAS_END_EACH
}
void xv_invalidate_item (Canvas canvas, int idx)
{
Rect rect;
WPanel *panel = (WPanel *) xv_get (canvas, XV_KEY_DATA, KEY_DATA_PANEL);
rect_construct (&rect, PANELBORDER, PANELBORDER + panel->item_height * idx,
panel->total_width, panel->item_height);
xv_invalidate_rect (canvas, &rect);
}
/* This procedure should be called whenever we change a f.marked file attribute
as a result of the program action, not by user clicking */
void x_panel_select_item (WPanel *panel, int idx, int value)
{
Canvas canvas = (Canvas) (panel->widget.wdata);
xv_invalidate_item (canvas, idx);
}
typedef enum {
MIP_UP, MIP_DOWN, MIP_PAGEUP, MIP_PAGEDOWN, MIP_HOME, MIP_END,
} mipaction;
static void moveinpanel (Canvas canvas, Xv_window paint, mipaction action)
{
WPanel *panel = (WPanel *) xv_get (canvas, XV_KEY_DATA, KEY_DATA_PANEL);
Scrollbar scroll = (Scrollbar) xv_get (canvas, OPENWIN_VERTICAL_SCROLLBAR,
xv_get (paint, CANVAS_PAINT_VIEW_WINDOW));
int newsel, newstart;
int start = xv_get (scroll, SCROLLBAR_VIEW_START);
int length = xv_get (scroll, SCROLLBAR_VIEW_LENGTH);
int lasttop = panel->count - length;
newstart = start;
newsel = panel->selected;
switch (action) {
case MIP_PAGEUP:
if (newsel > start)
newsel = start;
else {
newstart -= length - 1;
newsel -= length - 1;
}
break;
case MIP_PAGEDOWN:
if (newsel < start + length - 1)
newsel = start + length - 1;
else {
newstart += length - 1;
newsel += length - 1;
}
break;
case MIP_HOME:
newsel = 0;
newstart = 0;
break;
case MIP_END:
newsel = panel->count - 1;
newstart = lasttop;
break;
case MIP_UP:
if (newsel <= start)
newstart -= length / 2 - 1;
newsel--;
break;
case MIP_DOWN:
if (newsel >= start + length - 1) {
newstart += length / 2 - 1;
}
newsel++;
break;
}
if (newsel > panel->count - 1)
newsel = panel->count - 1;
if (newsel < 0)
newsel = 0;
if (newstart > lasttop)
newstart = lasttop;
if (newstart < 0)
newstart = 0;
if (newstart != start || newsel != panel->selected) {
if (newstart != start)
xv_set (scroll,
SCROLLBAR_VIEW_START, newstart,
NULL);
if (newsel != panel->selected) {
unselect_item (panel);
panel->selected = newsel;
select_item (panel);
}
}
}
static WPanel *drag_panel;
struct copy_move_in_panel {
int copy;
char *to;
WPanel *from;
};
static void copymove_in_panel (struct copy_move_in_panel *cmip)
{
WPanel *panel = current_panel;
xv_set_current_panel (cmip->from);
copymove_cmd_with_default (cmip->copy, cmip->to);
free (cmip->to);
free (cmip);
xv_set_current_panel (panel);
}
static void delete_cmd_in_panel (WPanel *panel)
{
xv_set_current_panel (panel);
delete_cmd ();
}
struct user_drop {
WPanel *panel;
char *filename;
char *drops;
};
static void user_drop (struct user_drop *usdr)
{
WPanel *panel = current_panel;
xv_set_current_panel (usdr->panel);
regex_command (usdr->filename, "Drop", usdr->drops, NULL);
free (usdr->drops);
free (usdr);
xv_set_current_panel (panel);
}
static int selection_convert (Selection_owner seln, Atom *type, Xv_opaque *data,
unsigned long *length, int *format)
{
Xv_Server server = XV_SERVER_FROM_WINDOW (xv_get (seln, XV_OWNER));
if (*type == (Atom) xv_get (server, SERVER_ATOM, "_SUN_SELECTION_END") ||
*type == (Atom) xv_get (server, SERVER_ATOM, "_SUN_DRAGDROP_DONE")) {
*format = 32;
*length = 0;
*data = XV_NULL;
*type = (Atom) xv_get (server, SERVER_ATOM, "NULL");
return TRUE;
} else if (*type == (Atom) xv_get (server, SERVER_ATOM, "DELETE")) {
xv_post_proc (midnight_dlg, (void (*)(void *))delete_cmd_in_panel,
(void *) drag_panel);
*format = 32;
*length = 0;
*data = XV_NULL;
*type = (Atom) xv_get (server, SERVER_ATOM, "NULL");
return TRUE;
} else
return sel_convert_proc (seln, type, data, length, format);
}
static void start_drag (Xv_window paint, Event *event, Canvas canvas)
{
Dnd dnd;
Selection_item sel_item;
WPanel *panel;
char *p, *q;
int i = (event_shift_is_down (event) || event_ctrl_is_down (event));
int trailslash;
Xv_Server server = XV_SERVER_FROM_WINDOW (paint);
drag_panel = panel = (WPanel *) xv_get (canvas, XV_KEY_DATA, KEY_DATA_PANEL);
dnd = xv_create (paint, DRAGDROP,
DND_TYPE, i ? DND_COPY : DND_MOVE,
SEL_CONVERT_PROC, selection_convert,
DND_ACCEPT_CURSOR, dropcursor,
NULL);
if (i) {
xv_set (dnd,
DND_CURSOR, xv_create (XV_NULL, CURSOR,
CURSOR_SRC_CHAR, OLC_COPY_PTR,
CURSOR_MASK_CHAR, OLC_COPY_MASK_PTR,
NULL),
NULL);
} else
xv_set (dnd,
DND_CURSOR, xv_create (XV_NULL, CURSOR,
CURSOR_SRC_CHAR, OLC_MOVE_PTR,
CURSOR_MASK_CHAR, OLC_MOVE_MASK_PTR,
NULL),
NULL);
p = "";
trailslash = (panel->cwd [strlen (panel->cwd) - 1] == '/');
for (i = 0; i < panel->count; i++)
if (panel->dir.list [i].f.marked) {
q = p;
if (trailslash)
p = copy_strings (q, panel->cwd, panel->dir.list [i].fname,
" ", NULL);
else
p = copy_strings (q, panel->cwd, "/", panel->dir.list [i].fname,
" ", NULL);
if (*q)
free (q);
}
if (!*p) {
if (trailslash)
p = copy_strings (panel->cwd,
panel->dir.list [panel->selected].fname, NULL);
else
p = copy_strings (panel->cwd, "/",
panel->dir.list [panel->selected].fname, " ", NULL);
}
sel_item = xv_create (dnd, SELECTION_ITEM,
SEL_TYPE, (Atom) XA_STRING,
SEL_DATA, p,
NULL);
xv_create (dnd, SELECTION_ITEM,
SEL_TYPE, (Atom) xv_get (server, SERVER_ATOM, "_MXC_PANELID"),
SEL_FORMAT, sizeof (WPanel *) * 8,
SEL_LENGTH, 1,
SEL_DATA, &drag_panel,
NULL);
dnd_send_drop (dnd);
xv_destroy_safe (dnd);
}
static void do_drop (Xv_window paint, Event *event, Canvas canvas,
int in, int idx)
{
Selection_requestor sel;
Xv_server server;
WPanel **ppanel;
WPanel *panel;
char *p;
int trailslash;
struct copy_move_in_panel *cmip;
struct user_drop *usdr;
switch (event_action (event)) {
case ACTION_DRAG_PREVIEW:
return;
case ACTION_DRAG_COPY:
case ACTION_DRAG_MOVE:
case ACTION_DRAG_LOAD:
server = XV_SERVER_FROM_WINDOW (paint);
sel = (Selection_requestor)
xv_get (canvas, XV_KEY_DATA, KEY_DATA_SELREQ);
if (dnd_decode_drop (sel, event) != XV_ERROR) {
int length, format;
char *q;
xv_set (sel, SEL_TYPE, XA_STRING, NULL);
q = (char *) xv_get (sel, SEL_DATA, &length, &format);
if (length != SEL_ERROR) {
panel = (WPanel *) xv_get (canvas, XV_KEY_DATA, KEY_DATA_PANEL);
if (!in || S_ISDIR (panel->dir.list [idx].buf.st_mode)) {
xv_set (sel,
SEL_TYPE, (Atom) xv_get (server, SERVER_ATOM, "_MXC_PANELID"),
NULL);
ppanel = (WPanel **) xv_get (sel, SEL_DATA, &length, &format);
trailslash = (panel->cwd [strlen (panel->cwd) - 1] == '/');
if (length != SEL_ERROR) {
if (!in) {
p = strdup (panel->cwd);
} else {
if (trailslash)
p = copy_strings (panel->cwd,
panel->dir.list [idx].fname, NULL);
else
p = copy_strings (panel->cwd, "/",
panel->dir.list [idx].fname, NULL);
}
cmip = (struct copy_move_in_panel *)
xmalloc (sizeof (struct copy_move_in_panel),
"Copy/Move in Panel");
cmip->copy = (event_action (event) == ACTION_COPY);
cmip->from = *ppanel;
cmip->to = p;
xv_post_proc(midnight_dlg,
(void (*) (void *))copymove_in_panel,
(void *) cmip);
free ((char *) ppanel);
}
free (q);
} else {
usdr = (struct user_drop *)
xmalloc (sizeof (struct user_drop),
"User drop");
usdr->panel = panel;
usdr->filename = panel->dir.list [idx].fname;
usdr->drops = q;
xv_post_proc(midnight_dlg,
(void (*) (void *))user_drop,
(void *) usdr);
}
}
xv_set (sel, SEL_TYPE_NAME, "_SUN_SELECTION_END", NULL);
xv_get (sel, SEL_DATA, &length, &format);
dnd_done (sel);
}
}
}
static int xv_get_text_len (WPanel *panel, char *text)
{
Font_string_dims dims;
xv_get ((Font) (panel->font), FONT_STRING_DIMS, text, &dims);
return dims.width;
}
static void xv_insert_panel_item (Canvas canvas, WPanel *panel, int idx)
{
format_e *format;
int i, len;
char *txt;
file_entry *fe = & panel->dir.list [idx];
int marked = fe->f.marked;
int isdir = S_ISDIR (panel->dir.list [idx].buf.st_mode);
static char buffer [1024];
char *p = buffer;
for (format = panel->format; format; format = format->next) {
if (format->string_fn) {
txt = (*format->string_fn) (fe, 0);
} else
txt = " ";
if (format->string_fn == string_file_type) {
format->field_len = 18;
p [0] = 3 + ((*txt == '/') ? 1 : 0);
p [1] = 0;
p += 2;
} else {
len = xv_get_text_len (panel, txt) + 2;
if (format->field_len < len)
format->field_len = len;
p [0] = format->just_mode + 1;
strcpy (p + 1, txt);
p = index (p + 1, 0) + 1;
}
}
*(p++) = 0;
fe->cache = xmalloc (p - buffer, "xview display cache");
bcopy (buffer, fe->cache, p - buffer);
}
void x_select_item (WPanel *panel)
{
Canvas canvas = (Canvas) panel->widget.wdata;
int idx = panel->selected;
xv_invalidate_item (canvas, idx);
}
void x_unselect_item (WPanel *panel)
{
Canvas canvas = (Canvas) panel->widget.wdata;
int idx = panel->selected;
panel->selected = -1;
xv_invalidate_item (canvas, idx);
panel->selected = idx;
}
void x_fill_panel (WPanel *panel)
{
int i;
int w, h;
Xv_Window win, paint;
Canvas canvas = (Canvas) panel->widget.wdata;
Scrollbar scrollbar;
Rect rect;
format_e *format;
for (format = panel->format; format; format = format->next)
format->field_len = 2;
for (i = 0; i < panel->count; i++)
xv_insert_panel_item (canvas, panel, i);
for (format = panel->format, panel->total_width = 2 * PANELITEMBORDER;
format; format = format->next)
panel->total_width += format->field_len;
w = panel->total_width + 2 * PANELBORDER;
h = panel->item_height * panel->count + 2 * PANELBORDER;
xv_set (canvas,
CANVAS_MIN_PAINT_WIDTH, w,
CANVAS_MIN_PAINT_HEIGHT, h,
NULL);
i = panel->item_height;
rect.r_left = PANELBORDER;
rect.r_width = panel->total_width;
rect.r_top = PANELBORDER;
rect.r_height = h - 2 * PANELBORDER;
OPENWIN_EACH_VIEW (canvas, win)
scrollbar = (Scrollbar) xv_get (canvas, OPENWIN_HORIZONTAL_SCROLLBAR, win);
if (scrollbar != XV_NULL)
xv_set (scrollbar,
SCROLLBAR_OBJECT_LENGTH, w,
NULL);
scrollbar = (Scrollbar) xv_get (canvas, OPENWIN_VERTICAL_SCROLLBAR, win);
if (scrollbar != XV_NULL)
xv_set (scrollbar,
SCROLLBAR_PIXELS_PER_UNIT, i,
SCROLLBAR_OBJECT_LENGTH, panel->count + 1,
NULL);
paint = (Xv_window) xv_get (win, CANVAS_VIEW_PAINT_WINDOW);
xv_set (xv_get (paint, XV_KEY_DATA, KEY_DATA_TILE),
DROP_SITE_DELETE_REGION, NULL,
DROP_SITE_REGION, &rect,
NULL);
OPENWIN_END_EACH
xv_invalidate_rect (canvas, NULL);
}
static void xv_panel_repaint_item (WPanel *panel, int idx, Xv_Window paint_window)
{
int selmark = 0;
file_entry *fe = & panel->dir.list [idx];
Drawable xid = (Drawable) xv_get (paint_window, XV_XID);
unsigned long fg, bg, *xc;
GC gc = (GC) (panel->gc); /* where does this get set? -- BD */
Rect rect;
char *cache = fe->cache;
XPoint xp [3];
char *p;
int w, x, h, y;
Server_image image, mask;
format_e *format;
if (cache == NULL)
return;
if (fe->f.marked)
selmark |= 1;
if (idx == panel->selected)
selmark |= 2;
xc = (unsigned long *) xv_get (mccms, CMS_INDEX_TABLE);
fg = xc [selmark * 2 + CMS_CONTROL_COLORS];
bg = xc [(selmark & 2) ? 1 : 0];
rect_construct (&rect, PANELBORDER, PANELBORDER + idx * panel->item_height,
panel->total_width, panel->item_height);
XSetForeground (dpy, gc, bg);
XFillRectangle (dpy, xid, gc,
rect.r_left,
rect.r_top,
rect.r_width,
rect.r_height);
if (selmark & 2) {
xp [0].x = rect.r_left;
xp [0].y = rect.r_top + rect.r_height;
xp [1].x = rect.r_left;
xp [1].y = rect.r_top;
xp [2].x = rect.r_left + rect.r_width - 1;
xp [2].y = rect.r_top;
XSetForeground (dpy, gc, xc [2]);
XDrawLines (dpy, xid, gc, xp, 3, CoordModeOrigin);
xp [0].x = rect.r_left + 1;
xp [0].y = rect.r_top + rect.r_height - 1;
xp [1].x = rect.r_left + rect.r_width - 1;
xp [1].y = rect.r_top + rect.r_height - 1;
xp [2].x = rect.r_left + rect.r_width - 1;
xp [2].y = rect.r_top;
XSetForeground (dpy, gc, xc [3]);
XDrawLines (dpy, xid, gc, xp, 3, CoordModeOrigin);
}
XSetForeground (dpy, gc, fg);
XSetBackground (dpy, gc, bg);
rect.r_left += PANELITEMBORDER;
for (format=panel->format , p = fe->cache; *p; p = strchr (p, 0) + 1, format=format->next) {
if (*p <= 2) { /* i.e. either left or right justified text */
w = xv_get_text_len (panel, p + 1);
h = panel->ascent + panel->descent;
y = rect.r_top + panel->ascent + (panel->item_height - h) / 2;
if (*p == J_LEFT + 1)
x = rect.r_left + 1;
else
x = rect.r_left + format->field_len - w - 1;
XDrawString (dpy, xid, gc, x, y, p + 1, strlen (p + 1));
} else {
switch (*p) {
case 3: image = iconRegular [0]; mask = iconRegular [1]; break;
case 4: image = iconDirectory [0]; mask = iconDirectory [1]; break;
}
XSetClipMask (dpy, gc, (Drawable) xv_get (mask, SERVER_IMAGE_PIXMAP));
x = rect.r_left + 2;
y = rect.r_top + (panel->item_height - 16) / 2;
XSetClipOrigin (dpy, gc, x, y);
XCopyArea (dpy, (Drawable) xv_get (image, SERVER_IMAGE_PIXMAP),
xid, gc,
0, 0,
16, 16,
x, y);
XSetClipMask (dpy, gc, None);
}
rect.r_left += format->field_len;
}
}
static void xv_panel_repaint_proc (Canvas canvas, Xv_Window paint_window,
Rectlist *repaint)
{
int first, last;
WPanel *panel;
int i;
Rect rect;
panel = (WPanel *) xv_get (canvas, XV_KEY_DATA, KEY_DATA_PANEL);
/* This stuff has to change as soon as we start supporting big icons display */
first = (repaint->rl_y + repaint->rl_bound.r_top - PANELBORDER) / panel->item_height;
last = (repaint->rl_y + repaint->rl_bound.r_top + repaint->rl_bound.r_height
- PANELBORDER - 1) / panel->item_height;
if (first < 0) {
first = 0;
}
if (last >= panel->count) {
last = panel->count - 1;
}
/* First we clear all the areas around... */
if (repaint->rl_x + repaint->rl_bound.r_left < PANELBORDER) {
rect.r_left = repaint->rl_x + repaint->rl_bound.r_left;
rect.r_width = PANELBORDER - rect.r_left;
rect.r_top = repaint->rl_y + repaint->rl_bound.r_top;
rect.r_height = repaint->rl_bound.r_height;
xv_clear_area (paint_window, &rect);
}
if (repaint->rl_x + repaint->rl_bound.r_left + repaint->rl_bound.r_width
> PANELBORDER + panel->total_width) {
rect.r_left = PANELBORDER + panel->total_width;
rect.r_width = repaint->rl_x + repaint->rl_bound.r_left +
repaint->rl_bound.r_width - rect.r_left;
rect.r_top = repaint->rl_y + repaint->rl_bound.r_top;
rect.r_height = repaint->rl_bound.r_height;
xv_clear_area (paint_window, &rect);
}
if (repaint->rl_y + repaint->rl_bound.r_top < PANELBORDER) {
rect.r_left = repaint->rl_x + repaint->rl_bound.r_left;
rect.r_width = rect.r_left + repaint->rl_bound.r_width;
if (rect.r_left < PANELBORDER)
rect.r_left = PANELBORDER;
if (rect.r_width > panel->total_width + PANELBORDER)
rect.r_width = panel->total_width + PANELBORDER - rect.r_left;
else
rect.r_width -= rect.r_left;
rect.r_top = repaint->rl_y + repaint->rl_bound.r_top;
rect.r_height = PANELBORDER - rect.r_top;
xv_clear_area (paint_window, &rect);
}
if (repaint->rl_y + repaint->rl_bound.r_top + repaint->rl_bound.r_height
> PANELBORDER + panel->count * panel->item_height) {
rect.r_left = repaint->rl_x + repaint->rl_bound.r_left;
rect.r_width = rect.r_left + repaint->rl_bound.r_width;
if (rect.r_left < PANELBORDER)
rect.r_left = PANELBORDER;
if (rect.r_width > panel->total_width + PANELBORDER)
rect.r_width = panel->total_width + PANELBORDER - rect.r_left;
else
rect.r_width -= rect.r_left;
rect.r_top = PANELBORDER + panel->count * panel->item_height;
rect.r_height = repaint->rl_y + repaint->rl_bound.r_top +
repaint->rl_bound.r_height - rect.r_top;
xv_clear_area (paint_window, &rect);
}
for (i = first; i <= last; i++) {
xv_panel_repaint_item (panel, i, paint_window);
}
}
static struct {
Canvas canvas;
int idx;
int btn_down_x, btn_down_y;
struct timeval prev_time;
} click_info = { XV_NULL, -1, 0, 0, {0, 0}};
static int xv_panel_grab = 0;
static int wait_for_btnup = 0;
static int rubber_adjust = 0;
static int lastx, lasty, startx, starty;
static GC xor_gc;
/* Should select / invert selection of all the idx's inside
* lastx, startx, lasty, starty
* As a used side effect, setting lastx = startx = -1 should unmark all files
*/
static void xv_rubberband_select (WPanel *panel)
{
int x1, y1, x2, y2, first, last, i;
x1 = (startx < lastx) ? startx : lastx;
y1 = (starty < lasty) ? starty : lasty;
x2 = (startx > lastx) ? startx : lastx;
y2 = (starty > lasty) ? starty : lasty;
/* This has to change because of big icons */
if (x2 <= PANELBORDER || x1 >= panel->total_width + PANELBORDER) {
first = last = -1;
} else {
first = (y1 - PANELBORDER) / panel->item_height;
last = (y2 - PANELBORDER) / panel->item_height;
}
for (i = 0; i < panel->count; i++) {
if (i >= first && i <= last) {
if (rubber_adjust)
do_file_mark (panel, i, panel->dir.list [i].f.marked ? 0 : 1);
else if (!panel->dir.list [i].f.marked)
do_file_mark (panel, i, 1);
} else if (!rubber_adjust) {
if (panel->dir.list [i].f.marked)
do_file_mark (panel, i, 0);
}
}
}
int is_dbl_click (struct timeval *then, struct timeval *now)
{
struct timeval delta;
static int multiclicktimeout = 0;
delta.tv_sec = now->tv_sec - then->tv_sec;
if ((delta.tv_usec = now->tv_usec - then->tv_usec) < 0) {
delta.tv_usec += 1000000;
delta.tv_sec--;
}
if (multiclicktimeout == 0) {
multiclicktimeout == defaults_get_integer ("mxc.doubleclicktime",
"Mxc.DoubleClickTime", 5);
if (multiclicktimeout < 2 || multiclicktimeout > 100)
multiclicktimeout = 5;
}
if ((delta.tv_sec * 10 + delta.tv_usec / 100000) <= multiclicktimeout)
return 1;
return 0;
}
static void draw_rubberband (Canvas canvas)
{
Xv_window xv_win;
int x1, y1, x2, y2, width, height;
x1 = (startx < lastx) ? startx : lastx;
y1 = (starty < lasty) ? starty : lasty;
x2 = (startx > lastx) ? startx : lastx;
y2 = (starty > lasty) ? starty : lasty;
width = x2 - x1;
height = y2 - y1;
if (!width || !height)
return;
CANVAS_EACH_PAINT_WINDOW (canvas, xv_win)
XDrawRectangle (dpy, xv_get (xv_win, XV_XID), xor_gc, x1, y1,
width, height);
CANVAS_END_EACH
}
static void xv_dblclick_proc (WPanel *panel, int idx)
{
xv_set_current_panel (panel);
if (panel->selected != idx)
panel->selected = idx; /* Should not happen :) */
xv_post_proc (midnight_dlg, (void (*)(void *))do_enter, (void *)panel);
}
static WPanel *xv_filedepmenu_panel = NULL;
static int xv_filedepmenu_idx;
static char *xv_filedepmenu_free = NULL;
static void xv_filedepmenu_cmd (char *todo)
{
char *p;
p = strchr (todo, ' ');
*p = 0;
regex_command (p + 1, todo, NULL, NULL);
free (todo);
}
static void xv_filedepmenu (Menu menu, Menu_item item)
{
char *q;
char *p = (char *) xv_get (item, MENU_STRING);
if (!strcmp (p, "Copy"))
xv_post_proc (midnight_dlg, (void (*)(void *))copy_cmd, (void *)NULL);
else if (!strcmp (p, "Move"))
xv_post_proc (midnight_dlg, (void (*)(void *))ren_cmd, (void *)NULL);
else if (!strcmp (p, "Delete"))
xv_post_proc (midnight_dlg, (void (*)(void *))delete_cmd, (void *)NULL);
else {
q = copy_strings (p, " ", xv_filedepmenu_panel->dir.list [xv_filedepmenu_idx].fname, NULL);
xv_post_proc (midnight_dlg, (void (*)(void *))xv_filedepmenu_cmd, (void *)q);
}
if (xv_filedepmenu_free)
free (xv_filedepmenu_free);
}
static void xv_mouse_event (Canvas canvas, Xv_window paint, Event *event)
{
WPanel *panel = (WPanel *) xv_get (canvas, XV_KEY_DATA, KEY_DATA_PANEL);
int in, idx;
if (event_x (event) < PANELBORDER ||
event_x (event) >= PANELBORDER + panel->total_width ||
event_y (event) < PANELBORDER ||
event_y (event) >= PANELBORDER + panel->count * panel->item_height) {
in = 0;
} else {
in = 1;
idx = (event_y (event) - PANELBORDER) / panel->item_height;
}
switch (event_action (event)) {
case ACTION_DRAG_PREVIEW:
case ACTION_DRAG_COPY:
case ACTION_DRAG_MOVE:
case ACTION_DRAG_LOAD:
do_drop (paint, event, canvas, in, idx);
return;
}
if (xv_panel_grab) {
if (wait_for_btnup) {
if (event_action (event) == LOC_DRAG) {
static int threshold;
static int dist_x, dist_y;
if (threshold == 0)
threshold = defaults_get_integer (
"mxc.clickmovethreshold",
"Mxc.ClickMoveThreshold", 10);
dist_x = event_x (event) - click_info.btn_down_x;
if (dist_x < 0)
dist_x = - dist_x;
dist_y = event_y (event) - click_info.btn_down_y;
if (dist_y < 0)
dist_y = - dist_y;
if (dist_x > threshold || dist_y > threshold ||
event_ctrl_is_down (event) || event_shift_is_down (event)) {
xv_panel_grab = 0;
wait_for_btnup = 0;
start_drag (paint, event, canvas);
}
return;
}
if (event_is_button (event) && event_is_down (event)) {
return;
}
if (event_action (event) == ACTION_SELECT) {
if (is_dbl_click (&click_info.prev_time, &event_time (event))) {
/* Should we handle tripple clicks?
* Maybe for selecting/unselecting all the files :) */
click_info.prev_time.tv_sec = 0;
click_info.prev_time.tv_usec = 0;
xv_dblclick_proc (panel, click_info.idx);
} else {
click_info.prev_time = event_time (event);
}
xv_panel_grab = 0;
return;
}
if (event_action (event) == ACTION_ADJUST) {
xv_panel_grab = 0;
return;
}
if (!event_is_button (event) && !event_is_iso (event))
return;
xv_panel_grab = 0;
return;
} else {
if (event_action (event) == LOC_DRAG) {
draw_rubberband (canvas);
lastx = event_x (event);
lasty = event_y (event);
draw_rubberband (canvas);
return;
}
if (event_is_button (event)) {
if (event_is_down (event)) {
draw_rubberband (canvas);
XFreeGC (dpy, xor_gc);
xv_panel_grab = 0;
return;
}
} else {
if (event_is_iso (event)) {
draw_rubberband (canvas);
XFreeGC (dpy, xor_gc);
xv_panel_grab = 0;
}
return;
}
draw_rubberband (canvas);
xv_panel_grab = 0;
XFreeGC (dpy, xor_gc);
xv_rubberband_select (panel);
return;
}
}
switch (event_action (event)) {
case ACTION_HELP:
if (event_is_down (event)) {
}
return;
case ACTION_MENU:
if (event_is_down (event)) {
static Menu menu = XV_NULL;
char *p, *q, c;
if (menu != XV_NULL)
xv_destroy (menu);
menu = (Menu) xv_create (XV_NULL, MENU,
MENU_NOTIFY_PROC, xv_filedepmenu,
MENU_TITLE_ITEM, panel->dir.list [idx].fname,
MENU_STRINGS, "Open", "View", "Edit", "Copy", "Move", "Delete", NULL,
NULL);
p = regex_command (panel->dir.list [idx].fname, NULL, NULL, NULL);
if (p != NULL) {
for (;;) {
while (*p == ' ' || *p == '\t')
p++;
if (!*p)
break;
q = p;
while (*q && *q != ' ' && *q != '\t')
q++;
c = *q;
*q = 0;
xv_set (menu,
MENU_ITEM,
MENU_STRING, p,
NULL,
NULL);
if (!c)
break;
p = q + 1;
}
}
xv_filedepmenu_panel = panel;
xv_filedepmenu_idx = idx;
xv_filedepmenu_free = p;
menu_show (menu, paint, event, NULL);
}
return;
case ACTION_SELECT:
case ACTION_ADJUST:
if (event_is_down (event)) {
if (in) {
if (click_info.idx != idx) {
click_info.idx = idx;
click_info.prev_time.tv_sec = 0;
click_info.prev_time.tv_usec = 0;
}
click_info.btn_down_x = event_x (event);
click_info.btn_down_y = event_y (event);
if (event_action (event) == ACTION_SELECT) {
if (panel->selected != idx) {
unselect_item (panel);
panel->selected = idx;
select_item (panel);
}
} else {
do_file_mark (panel, idx,
panel->dir.list [idx].f.marked ? 0 : 1);
}
wait_for_btnup = 1;
xv_panel_grab = 1;
} else {
if (event_action (event) == ACTION_SELECT) {
rubber_adjust = 0;
lastx = -1;
startx = -1;
xv_rubberband_select (panel);
} else
rubber_adjust = 1;
xor_gc = XCreateGC (dpy, xv_get (paint, XV_XID), 0, 0);
XSetForeground (dpy, xor_gc, xv_get (canvas, WIN_FOREGROUND_COLOR));
XSetFunction (dpy, xor_gc, GXxor);
XSetLineAttributes (dpy, xor_gc, 1, LineSolid, CapNotLast, JoinRound);
lastx = startx = event_x (event);
lasty = starty = event_y (event);
wait_for_btnup = 0;
xv_panel_grab = 1;
}
}
}
}
static int xv_panel_event_proc (Xv_window paint, Event *event)
{
Canvas canvas = (Canvas) xv_get (paint, CANVAS_PAINT_CANVAS_WINDOW);
WPanel *panel;
panel = (WPanel *) xv_get (canvas, XV_KEY_DATA, KEY_DATA_PANEL);
if (event_is_down (event) && event_is_button (event))
xv_set_current_panel (panel);
switch (event_action (event)) {
case ACTION_SELECT:
case ACTION_ADJUST:
case LOC_DRAG:
case ACTION_MENU:
case ACTION_HELP:
case ACTION_DRAG_PREVIEW:
case ACTION_DRAG_COPY:
case ACTION_DRAG_MOVE:
case ACTION_DRAG_LOAD:
xv_mouse_event (canvas, paint, event);
return 0;
}
if (event_is_up (event))
return 0;
switch (event_action (event)) {
case KBD_USE:
xv_set_current_panel (panel);
break;
case ACTION_GO_COLUMN_FORWARD:
moveinpanel (canvas, paint, MIP_DOWN);
break;
case ACTION_GO_COLUMN_BACKWARD:
moveinpanel (canvas, paint, MIP_UP);
break;
case ACTION_GO_DOCUMENT_START:
moveinpanel (canvas, paint, MIP_HOME);
break;
case ACTION_GO_DOCUMENT_END:
moveinpanel (canvas, paint, MIP_END);
break;
case ACTION_GO_PAGE_BACKWARD:
moveinpanel (canvas, paint, MIP_PAGEUP);
break;
case ACTION_GO_PAGE_FORWARD:
moveinpanel (canvas, paint, MIP_PAGEDOWN);
break;
default:
if (event_id (event) == '\n' || event_id (event) == '\r') {
xv_post_proc (midnight_dlg,
(void (*)(void *))do_enter, (void *) panel);
} else if (event_id (event) == '\t') {
if (((Widget *)cmdline)->wdata != (widget_data) NULL)
xv_set (((Widget *)cmdline)->wdata,
WIN_SET_FOCUS,
NULL);
} else if (event_is_key_left (event) || event_is_key_right (event) ||
event_is_key_top (event) || event_is_key_bottom (event)) {
int i = 1;
if (event_is_key_left (event))
i = event_id (event) - KEY_LEFTFIRST + 1;
else if (event_is_key_right (event))
i = event_id (event) - KEY_RIGHTFIRST + 1;
else if (event_is_key_top (event))
i = event_id (event) - KEY_TOPFIRST + 1;
else if (event_is_key_bottom (event))
i = event_id (event) - KEY_BOTTOMFIRST + 1;
{
int j;
WButtonBar *bb =
find_buttonbar (midnight_dlg, (Widget *) panel);
if (bb != (WButtonBar *) NULL) {
if (strcmp (bb->labels [i - 1].text, "PullDn")) {
if (bb->labels [i - 1].function)
xv_post_proc (midnight_dlg,
*bb->labels [i - 1].function,
bb->labels [i - 1].data);
}
}
}
}
}
return 0;
}
char *xv_create_canvas_gc (Canvas canvas)
{
GC gc = XCreateGC (dpy,
(Drawable) xv_get (xv_get (canvas, CANVAS_NTH_PAINT_WINDOW, 0), XV_XID),
0, 0);
XSetFont (dpy, gc, xv_get (xv_get (canvas, XV_FONT), XV_XID));
XSetLineAttributes (dpy, gc, 1, LineSolid, JoinRound, CapNotLast);
XSetGraphicsExposures (dpy, gc, False);
return (char *) gc;
}
void xv_panel_split_proc (Xv_Window origview, Xv_Window newview, int pos)
{
Rect *rect = (Rect *) xv_get (
xv_get (origview, XV_KEY_DATA, KEY_DATA_TILE), DROP_SITE_REGION);
xv_set (newview,
XV_KEY_DATA, KEY_DATA_TILE, xv_create (newview, DROP_SITE_ITEM,
DROP_SITE_EVENT_MASK, DND_ENTERLEAVE,
DROP_SITE_REGION, rect,
NULL),
NULL);
free (rect);
}
int x_create_panel (Dlg_head *h, widget_data parent, WPanel *panel)
{
Canvas canvas =
(Canvas) x_get_parent_object ((Widget *) panel, parent);
Xv_opaque dropsite_item;
Xv_window win;
Rect rect;
rect.r_left = PANELBORDER;
rect.r_width = 220;
rect.r_top = PANELBORDER;
rect.r_height = 220;
xv_set (canvas,
XV_KEY_DATA, KEY_DATA_PANEL, panel,
XV_KEY_DATA, KEY_DATA_PANEL_CONTAINER, xv_get (canvas, XV_OWNER),
CANVAS_PAINTWINDOW_ATTRS,
WIN_CONSUME_EVENTS,
KBD_DONE, KBD_USE, WIN_ASCII_EVENTS, WIN_LEFT_KEYS, WIN_TOP_KEYS,
WIN_RIGHT_KEYS, WIN_META_EVENTS, WIN_EDIT_KEYS, WIN_MOTION_KEYS,
WIN_TEXT_KEYS,
WIN_UP_EVENTS, WIN_MOUSE_BUTTONS, LOC_DRAG,
ACTION_HELP, ACTION_DRAG_PREVIEW, ACTION_DRAG_LOAD, ACTION_DRAG_COPY,
ACTION_DRAG_MOVE,
NULL,
WIN_EVENT_PROC, xv_panel_event_proc,
NULL,
CANVAS_X_PAINT_WINDOW, FALSE,
CANVAS_RETAINED, FALSE,
CANVAS_REPAINT_PROC, xv_panel_repaint_proc,
WIN_CMS, mccms,
OPENWIN_SPLIT,
OPENWIN_SPLIT_INIT_PROC, xv_panel_split_proc,
NULL,
NULL);
CANVAS_EACH_PAINT_WINDOW (canvas, win)
xv_set (win,
XV_KEY_DATA, KEY_DATA_TILE, xv_create (win, DROP_SITE_ITEM,
DROP_SITE_EVENT_MASK, DND_ENTERLEAVE,
DROP_SITE_REGION, &rect,
NULL),
NULL);
CANVAS_END_EACH
panel->widget.wdata = (widget_data) canvas;
panel->gc = xv_create_canvas_gc (canvas);
panel->font = (void *) xv_get (canvas, XV_FONT);
panel->ascent = ((XFontStruct *) xv_get (
xv_get (canvas, XV_FONT), FONT_INFO))->ascent;
panel->descent = ((XFontStruct *) xv_get (
xv_get (canvas, XV_FONT), FONT_INFO))->descent;
panel->item_height = panel->ascent + panel->descent;
if (panel->item_height < 16)
panel->item_height = 16;
panel->item_height += 2 * PANELITEMBORDER;
x_fill_panel (panel);
return 1;
}
void x_panel_set_size (int idx)
{
}
void set_attr (int h, int m)
{
}
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