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wmaker/src/switchpanel.c
Rodolfo García Peñas d27ce03780 Remove warning by open coding WM_ITERATE_ARRAY macro
This patch gets rid of the warning:

switchpanel.c: In function 'wSwitchPanelSelectFirst':
switchpanel.c:673:18: warning: variable 'tmpwin' set but not used [-Wunused-but-set-variable]

by using the body of the WM_ITERATE_ARRAY directly and avoiding the temporary
variable 'tmpwin' which ends up being used only on the LHS inside the macro.
2013-10-09 13:02:45 +01:00

745 lines
18 KiB
C

/*
* Window Maker window manager
*
* Copyright (c) 1997-2004 Alfredo K. Kojima
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "wconfig.h"
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include "WindowMaker.h"
#include "screen.h"
#include "framewin.h"
#include "icon.h"
#include "window.h"
#include "defaults.h"
#include "switchpanel.h"
#include "misc.h"
#include "xinerama.h"
#ifdef SHAPE
#include <X11/extensions/shape.h>
extern Bool wShapeSupported;
#endif
struct SwitchPanel {
WScreen *scr;
WMWindow *win;
WMFrame *iconBox;
WMArray *icons;
WMArray *images;
WMArray *windows;
WMArray *flags;
RImage *bg;
int current;
int firstVisible;
int visibleCount;
WMLabel *label;
RImage *tileTmp;
RImage *tile;
WMFont *font;
WMColor *white;
};
#define BORDER_SPACE 10
#define ICON_SIZE 48
#define ICON_TILE_SIZE 64
#define LABEL_HEIGHT 25
#define SCREEN_BORDER_SPACING 2*20
#define SCROLL_STEPS (ICON_TILE_SIZE/2)
#define ICON_SELECTED (1<<1)
#define ICON_DIM (1<<2)
static int canReceiveFocus(WWindow *wwin)
{
if (wwin->frame->workspace != w_global.workspace.current)
return 0;
if (wPreferences.cycle_active_head_only &&
wGetHeadForWindow(wwin) != wGetHeadForPointerLocation(wwin->screen_ptr))
return 0;
if (WFLAGP(wwin, no_focusable))
return 0;
if (!wwin->flags.mapped) {
if (!wwin->flags.shaded && !wwin->flags.miniaturized && !wwin->flags.hidden)
return 0;
else
return -1;
}
return 1;
}
static Bool sameWindowClass(WWindow *wwin, WWindow *curwin)
{
if (!wwin->wm_class || !curwin->wm_class)
return False;
if (strcmp(wwin->wm_class, curwin->wm_class))
return False;
return True;
}
static void changeImage(WSwitchPanel *panel, int idecks, int selected, Bool dim, Bool force)
{
WMFrame *icon = NULL;
RImage *image = NULL;
char flags = 0;
char desired = 0;
/* This whole function is a no-op if we aren't drawing the panel */
if (!wPreferences.swtileImage)
return;
icon = WMGetFromArray(panel->icons, idecks);
image = WMGetFromArray(panel->images, idecks);
flags = (char) (uintptr_t) WMGetFromArray(panel->flags, idecks);
if (selected)
desired |= ICON_SELECTED;
if (dim)
desired |= ICON_DIM;
if (flags == desired && !force)
return;
WMReplaceInArray(panel->flags, idecks, (void *) (uintptr_t) desired);
if (!panel->bg && !panel->tile && !selected)
WMSetFrameRelief(icon, WRFlat);
if (image && icon) {
RImage *back;
int opaq = (dim) ? 75 : 255;
RImage *tile;
WMPoint pos;
Pixmap p;
if (canReceiveFocus(WMGetFromArray(panel->windows, idecks)) < 0)
opaq = 50;
pos = WMGetViewPosition(WMWidgetView(icon));
back = panel->tileTmp;
if (panel->bg) {
RCopyArea(back, panel->bg,
BORDER_SPACE + pos.x - panel->firstVisible * ICON_TILE_SIZE,
BORDER_SPACE + pos.y, back->width, back->height, 0, 0);
} else {
RColor color;
WMScreen *wscr = WMWidgetScreen(icon);
color.red = 255;
color.red = WMRedComponentOfColor(WMGrayColor(wscr)) >> 8;
color.green = WMGreenComponentOfColor(WMGrayColor(wscr)) >> 8;
color.blue = WMBlueComponentOfColor(WMGrayColor(wscr)) >> 8;
RFillImage(back, &color);
}
if (selected) {
tile = panel->tile;
RCombineArea(back, tile, 0, 0, tile->width, tile->height,
(back->width - tile->width) / 2, (back->height - tile->height) / 2);
}
RCombineAreaWithOpaqueness(back, image, 0, 0, image->width, image->height,
(back->width - image->width) / 2, (back->height - image->height) / 2,
opaq);
RConvertImage(panel->scr->rcontext, back, &p);
XSetWindowBackgroundPixmap(dpy, WMWidgetXID(icon), p);
XClearWindow(dpy, WMWidgetXID(icon));
XFreePixmap(dpy, p);
}
if (!panel->bg && !panel->tile && selected)
WMSetFrameRelief(icon, WRSimple);
}
static void addIconForWindow(WSwitchPanel *panel, WMWidget *parent, WWindow *wwin, int x, int y)
{
WMFrame *icon = WMCreateFrame(parent);
RImage *image = NULL;
WMSetFrameRelief(icon, WRFlat);
WMResizeWidget(icon, ICON_TILE_SIZE, ICON_TILE_SIZE);
WMMoveWidget(icon, x, y);
if (!WFLAGP(wwin, always_user_icon) && wwin->net_icon_image)
image = RRetainImage(wwin->net_icon_image);
/* get_icon_image() includes the default icon image */
if (!image)
image = get_icon_image(panel->scr, wwin->wm_instance, wwin->wm_class, ICON_TILE_SIZE);
/* We must resize the icon size (~64) to the switchpanel icon size (~48) */
image = wIconValidateIconSize(image, ICON_SIZE);
WMAddToArray(panel->images, image);
WMAddToArray(panel->icons, icon);
}
static void scrollIcons(WSwitchPanel *panel, int delta)
{
int nfirst = panel->firstVisible + delta;
int i;
int count = WMGetArrayItemCount(panel->windows);
Bool dim;
if (count <= panel->visibleCount)
return;
if (nfirst < 0)
nfirst = 0;
else if (nfirst >= count - panel->visibleCount)
nfirst = count - panel->visibleCount;
if (nfirst == panel->firstVisible)
return;
WMMoveWidget(panel->iconBox, -nfirst * ICON_TILE_SIZE, 0);
panel->firstVisible = nfirst;
for (i = panel->firstVisible; i < panel->firstVisible + panel->visibleCount; i++) {
if (i == panel->current)
continue;
dim = ((char) (uintptr_t) WMGetFromArray(panel->flags, i) & ICON_DIM);
changeImage(panel, i, 0, dim, True);
}
}
/*
* 0 1 2
* 3 4 5
* 6 7 8
*/
static RImage *assemblePuzzleImage(RImage **images, int width, int height)
{
RImage *img = RCreateImage(width, height, 1);
RImage *tmp;
int tw, th;
RColor color;
if (!img)
return NULL;
color.red = 0;
color.green = 0;
color.blue = 0;
color.alpha = 255;
RFillImage(img, &color);
tw = width - images[0]->width - images[2]->width;
th = height - images[0]->height - images[6]->height;
if (tw <= 0 || th <= 0)
return NULL;
/* top */
if (tw > 0) {
tmp = RSmoothScaleImage(images[1], tw, images[1]->height);
RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[0]->width, 0);
RReleaseImage(tmp);
}
/* bottom */
if (tw > 0) {
tmp = RSmoothScaleImage(images[7], tw, images[7]->height);
RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[6]->width, height - images[6]->height);
RReleaseImage(tmp);
}
/* left */
if (th > 0) {
tmp = RSmoothScaleImage(images[3], images[3]->width, th);
RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, 0, images[0]->height);
RReleaseImage(tmp);
}
/* right */
if (th > 0) {
tmp = RSmoothScaleImage(images[5], images[5]->width, th);
RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, width - images[5]->width, images[2]->height);
RReleaseImage(tmp);
}
/* center */
if (tw > 0 && th > 0) {
tmp = RSmoothScaleImage(images[4], tw, th);
RCopyArea(img, tmp, 0, 0, tmp->width, tmp->height, images[0]->width, images[0]->height);
RReleaseImage(tmp);
}
/* corners */
RCopyArea(img, images[0], 0, 0, images[0]->width, images[0]->height, 0, 0);
RCopyArea(img, images[2], 0, 0, images[2]->width, images[2]->height, width - images[2]->width, 0);
RCopyArea(img, images[6], 0, 0, images[6]->width, images[6]->height, 0, height - images[6]->height);
RCopyArea(img, images[8], 0, 0, images[8]->width, images[8]->height,
width - images[8]->width, height - images[8]->height);
return img;
}
static RImage *createBackImage(int width, int height)
{
return assemblePuzzleImage(wPreferences.swbackImage, width, height);
}
static RImage *getTile(void)
{
RImage *stile;
if (!wPreferences.swtileImage)
return NULL;
stile = RScaleImage(wPreferences.swtileImage, ICON_TILE_SIZE, ICON_TILE_SIZE);
if (!stile)
return wPreferences.swtileImage;
return stile;
}
static void drawTitle(WSwitchPanel *panel, int idecks, const char *title)
{
char *ntitle;
int width = WMWidgetWidth(panel->win);
int x;
if (title)
ntitle = ShrinkString(panel->font, title, width - 2 * BORDER_SPACE);
else
ntitle = NULL;
if (panel->bg) {
if (ntitle) {
if (strcmp(ntitle, title) != 0) {
x = BORDER_SPACE;
} else {
int w = WMWidthOfString(panel->font, ntitle, strlen(ntitle));
x = BORDER_SPACE + (idecks - panel->firstVisible) * ICON_TILE_SIZE +
ICON_TILE_SIZE / 2 - w / 2;
if (x < BORDER_SPACE)
x = BORDER_SPACE;
else if (x + w > width - BORDER_SPACE)
x = width - BORDER_SPACE - w;
}
}
XClearWindow(dpy, WMWidgetXID(panel->win));
if (ntitle)
WMDrawString(panel->scr->wmscreen,
WMWidgetXID(panel->win),
panel->white, panel->font,
x,
WMWidgetHeight(panel->win) - BORDER_SPACE - LABEL_HEIGHT +
WMFontHeight(panel->font) / 2, ntitle, strlen(ntitle));
} else {
if (ntitle)
WMSetLabelText(panel->label, ntitle);
}
if (ntitle)
free(ntitle);
}
static WMArray *makeWindowListArray(WWindow *curwin, int include_unmapped, Bool class_only)
{
WMArray *windows = WMCreateArray(10);
int fl;
WWindow *wwin;
for (fl = 0; fl < 2; fl++) {
for (wwin = curwin; wwin; wwin = wwin->prev) {
if (((!fl && canReceiveFocus(wwin) > 0) || (fl && canReceiveFocus(wwin) < 0)) &&
(wwin->flags.mapped || include_unmapped)) {
if (class_only)
if (!sameWindowClass(wwin, curwin))
continue;
if (!WFLAGP(wwin, skip_switchpanel))
WMAddToArray(windows, wwin);
}
}
wwin = curwin;
/* start over from the beginning of the list */
while (wwin->next)
wwin = wwin->next;
for (wwin = curwin; wwin && wwin != curwin; wwin = wwin->prev) {
if (((!fl && canReceiveFocus(wwin) > 0) || (fl && canReceiveFocus(wwin) < 0)) &&
(wwin->flags.mapped || include_unmapped)) {
if (class_only)
if (!sameWindowClass(wwin, curwin))
continue;
if (!WFLAGP(wwin, skip_switchpanel))
WMAddToArray(windows, wwin);
}
}
}
return windows;
}
static WMArray *makeWindowFlagsArray(int count)
{
WMArray *flags = WMCreateArray(1);
int i;
for (i = 0; i < count; i++)
WMAddToArray(flags, (char) 0);
return flags;
}
WSwitchPanel *wInitSwitchPanel(WScreen *scr, WWindow *curwin, Bool class_only)
{
WWindow *wwin;
WSwitchPanel *panel = wmalloc(sizeof(WSwitchPanel));
WMFrame *viewport;
int i, width, height, iconsThatFitCount, count;
WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
panel->scr = scr;
panel->windows = makeWindowListArray(curwin, wPreferences.swtileImage != NULL, class_only);
count = WMGetArrayItemCount(panel->windows);
if (count)
panel->flags = makeWindowFlagsArray(count);
if (count == 0) {
WMFreeArray(panel->windows);
wfree(panel);
return NULL;
}
width = ICON_TILE_SIZE * count;
iconsThatFitCount = count;
if (width > rect.size.width) {
iconsThatFitCount = (rect.size.width - SCREEN_BORDER_SPACING) / ICON_TILE_SIZE;
width = iconsThatFitCount * ICON_TILE_SIZE;
}
panel->visibleCount = iconsThatFitCount;
if (!wPreferences.swtileImage)
return panel;
height = LABEL_HEIGHT + ICON_TILE_SIZE;
panel->tileTmp = RCreateImage(ICON_TILE_SIZE, ICON_TILE_SIZE, 1);
panel->tile = getTile();
if (panel->tile && wPreferences.swbackImage[8])
panel->bg = createBackImage(width + 2 * BORDER_SPACE, height + 2 * BORDER_SPACE);
if (!panel->tileTmp || !panel->tile) {
if (panel->bg)
RReleaseImage(panel->bg);
panel->bg = NULL;
if (panel->tile)
RReleaseImage(panel->tile);
panel->tile = NULL;
if (panel->tileTmp)
RReleaseImage(panel->tileTmp);
panel->tileTmp = NULL;
}
panel->white = WMWhiteColor(scr->wmscreen);
panel->font = WMBoldSystemFontOfSize(scr->wmscreen, 12);
panel->icons = WMCreateArray(count);
panel->images = WMCreateArray(count);
panel->win = WMCreateWindow(scr->wmscreen, "");
if (!panel->bg) {
WMFrame *frame = WMCreateFrame(panel->win);
WMColor *darkGray = WMDarkGrayColor(scr->wmscreen);
WMSetFrameRelief(frame, WRSimple);
WMSetViewExpandsToParent(WMWidgetView(frame), 0, 0, 0, 0);
panel->label = WMCreateLabel(panel->win);
WMResizeWidget(panel->label, width, LABEL_HEIGHT);
WMMoveWidget(panel->label, BORDER_SPACE, BORDER_SPACE + ICON_TILE_SIZE + 5);
WMSetLabelRelief(panel->label, WRSimple);
WMSetWidgetBackgroundColor(panel->label, darkGray);
WMSetLabelFont(panel->label, panel->font);
WMSetLabelTextColor(panel->label, panel->white);
WMReleaseColor(darkGray);
height += 5;
}
WMResizeWidget(panel->win, width + 2 * BORDER_SPACE, height + 2 * BORDER_SPACE);
viewport = WMCreateFrame(panel->win);
WMResizeWidget(viewport, width, ICON_TILE_SIZE);
WMMoveWidget(viewport, BORDER_SPACE, BORDER_SPACE);
WMSetFrameRelief(viewport, WRFlat);
panel->iconBox = WMCreateFrame(viewport);
WMMoveWidget(panel->iconBox, 0, 0);
WMResizeWidget(panel->iconBox, ICON_TILE_SIZE * count, ICON_TILE_SIZE);
WMSetFrameRelief(panel->iconBox, WRFlat);
WM_ITERATE_ARRAY(panel->windows, wwin, i) {
addIconForWindow(panel, panel->iconBox, wwin, i * ICON_TILE_SIZE, 0);
}
WMMapSubwidgets(panel->win);
WMRealizeWidget(panel->win);
WM_ITERATE_ARRAY(panel->windows, wwin, i) {
changeImage(panel, i, 0, False, True);
}
if (panel->bg) {
Pixmap pixmap, mask;
RConvertImageMask(scr->rcontext, panel->bg, &pixmap, &mask, 250);
XSetWindowBackgroundPixmap(dpy, WMWidgetXID(panel->win), pixmap);
#ifdef SHAPE
if (mask && wShapeSupported)
XShapeCombineMask(dpy, WMWidgetXID(panel->win), ShapeBounding, 0, 0, mask, ShapeSet);
#endif
if (pixmap)
XFreePixmap(dpy, pixmap);
if (mask)
XFreePixmap(dpy, mask);
}
{
WMPoint center;
center = wGetPointToCenterRectInHead(scr, wGetHeadForPointerLocation(scr),
width + 2 * BORDER_SPACE, height + 2 * BORDER_SPACE);
WMMoveWidget(panel->win, center.x, center.y);
}
panel->current = WMGetFirstInArray(panel->windows, curwin);
if (panel->current >= 0)
changeImage(panel, panel->current, 1, False, False);
WMMapWidget(panel->win);
return panel;
}
void wSwitchPanelDestroy(WSwitchPanel *panel)
{
int i;
RImage *image;
if (panel->win) {
Window info_win = panel->scr->info_window;
XEvent ev;
ev.xclient.type = ClientMessage;
ev.xclient.message_type = w_global.atom.wm.ignore_focus_events;
ev.xclient.format = 32;
ev.xclient.data.l[0] = True;
XSendEvent(dpy, info_win, True, EnterWindowMask, &ev);
WMUnmapWidget(panel->win);
ev.xclient.data.l[0] = False;
XSendEvent(dpy, info_win, True, EnterWindowMask, &ev);
}
if (panel->images) {
WM_ITERATE_ARRAY(panel->images, image, i) {
if (image)
RReleaseImage(image);
}
WMFreeArray(panel->images);
}
if (panel->win)
WMDestroyWidget(panel->win);
if (panel->icons)
WMFreeArray(panel->icons);
if (panel->flags)
WMFreeArray(panel->flags);
WMFreeArray(panel->windows);
if (panel->tile)
RReleaseImage(panel->tile);
if (panel->tileTmp)
RReleaseImage(panel->tileTmp);
if (panel->bg)
RReleaseImage(panel->bg);
if (panel->font)
WMReleaseFont(panel->font);
if (panel->white)
WMReleaseColor(panel->white);
wfree(panel);
}
WWindow *wSwitchPanelSelectNext(WSwitchPanel *panel, int back, int ignore_minimized, Bool class_only)
{
WWindow *wwin, *curwin, *tmpwin;
int count = WMGetArrayItemCount(panel->windows);
int orig = panel->current;
int i;
Bool dim = False;
if (count == 0)
return NULL;
if (!wPreferences.cycle_ignore_minimized)
ignore_minimized = False;
if (ignore_minimized && canReceiveFocus(WMGetFromArray(panel->windows, (count + panel->current) % count)) < 0)
ignore_minimized = False;
curwin = WMGetFromArray(panel->windows, orig);
do {
do {
if (back)
panel->current--;
else
panel->current++;
panel->current= (count + panel->current) % count;
wwin = WMGetFromArray(panel->windows, panel->current);
if (!class_only)
break;
if (panel->current == orig)
break;
} while (!sameWindowClass(wwin, curwin));
} while (ignore_minimized && panel->current != orig && canReceiveFocus(wwin) < 0);
WM_ITERATE_ARRAY(panel->windows, tmpwin, i) {
if (i == panel->current)
continue;
if (!class_only || sameWindowClass(tmpwin, curwin))
changeImage(panel, i, 0, False, False);
else {
if (i == orig)
dim = True;
changeImage(panel, i, 0, True, False);
}
}
if (panel->current < panel->firstVisible)
scrollIcons(panel, panel->current - panel->firstVisible);
else if (panel->current - panel->firstVisible >= panel->visibleCount)
scrollIcons(panel, panel->current - panel->firstVisible - panel->visibleCount + 1);
if (panel->win) {
drawTitle(panel, panel->current, wwin->frame->title);
if (panel->current != orig)
changeImage(panel, orig, 0, dim, False);
changeImage(panel, panel->current, 1, False, False);
}
return wwin;
}
WWindow *wSwitchPanelSelectFirst(WSwitchPanel *panel, int back)
{
WWindow *wwin;
int count = WMGetArrayItemCount(panel->windows);
char *title;
int i;
if (count == 0)
return NULL;
if (back) {
panel->current = count - 1;
scrollIcons(panel, count);
} else {
panel->current = 0;
scrollIcons(panel, -count);
}
wwin = WMGetFromArray(panel->windows, panel->current);
title = wwin->frame->title;
if (panel->win) {
for (WMArrayFirst(panel->windows, &(i)); (i) != WANotFound; WMArrayNext(panel->windows, &(i)))
changeImage(panel, i, i == panel->current, False, False);
drawTitle(panel, panel->current, title);
}
return wwin;
}
WWindow *wSwitchPanelHandleEvent(WSwitchPanel *panel, XEvent *event)
{
WMFrame *icon;
int i;
int focus = -1;
if (!panel->win)
return NULL;
if (event->type == MotionNotify) {
WM_ITERATE_ARRAY(panel->icons, icon, i) {
if (WMWidgetXID(icon) == event->xmotion.window) {
focus = i;
break;
}
}
}
if (focus >= 0 && panel->current != focus) {
WWindow *wwin;
WM_ITERATE_ARRAY(panel->windows, wwin, i) {
changeImage(panel, i, i == focus, False, False);
}
panel->current = focus;
wwin = WMGetFromArray(panel->windows, focus);
drawTitle(panel, panel->current, wwin->frame->title);
return wwin;
}
return NULL;
}
Window wSwitchPanelGetWindow(WSwitchPanel *swpanel)
{
if (!swpanel->win)
return None;
return WMWidgetXID(swpanel->win);
}