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+++ b/src/icons.c
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+/*
+ *
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ * */
+
+/**********************************************************************
+ *
+ * $Xorg: icons.c,v 1.4 2001/02/09 02:05:36 xorgcvs Exp $
+ *
+ * Icon releated routines
+ *
+ * 10-Apr-89 Tom LaStrange Initial Version.
+ *
+ **********************************************************************/
+
+#include <stdio.h>
+#include "twm.h"
+#include "screen.h"
+#include "icons.h"
+#include "gram.h"
+#include "parse.h"
+#include "util.h"
+
+#define iconWidth(w) (Scr->IconBorderWidth * 2 + w->icon_w_width)
+#define iconHeight(w) (Scr->IconBorderWidth * 2 + w->icon_w_height)
+
+static
+splitEntry (ie, grav1, grav2, w, h)
+ IconEntry *ie;
+ int grav1, grav2;
+ int w, h;
+{
+ IconEntry *new;
+
+ switch (grav1) {
+ case D_NORTH:
+ case D_SOUTH:
+ if (w != ie->w)
+ splitEntry (ie, grav2, grav1, w, ie->h);
+ if (h != ie->h) {
+ new = (IconEntry *)malloc (sizeof (IconEntry));
+ new->twm_win = 0;
+ new->used = 0;
+ new->next = ie->next;
+ ie->next = new;
+ new->x = ie->x;
+ new->h = (ie->h - h);
+ new->w = ie->w;
+ ie->h = h;
+ if (grav1 == D_SOUTH) {
+ new->y = ie->y;
+ ie->y = new->y + new->h;
+ } else
+ new->y = ie->y + ie->h;
+ }
+ break;
+ case D_EAST:
+ case D_WEST:
+ if (h != ie->h)
+ splitEntry (ie, grav2, grav1, ie->w, h);
+ if (w != ie->w) {
+ new = (IconEntry *)malloc (sizeof (IconEntry));
+ new->twm_win = 0;
+ new->used = 0;
+ new->next = ie->next;
+ ie->next = new;
+ new->y = ie->y;
+ new->w = (ie->w - w);
+ new->h = ie->h;
+ ie->w = w;
+ if (grav1 == D_EAST) {
+ new->x = ie->x;
+ ie->x = new->x + new->w;
+ } else
+ new->x = ie->x + ie->w;
+ }
+ break;
+ }
+}
+
+roundUp (v, multiple)
+{
+ return ((v + multiple - 1) / multiple) * multiple;
+}
+
+PlaceIcon(tmp_win, def_x, def_y, final_x, final_y)
+TwmWindow *tmp_win;
+int def_x, def_y;
+int *final_x, *final_y;
+{
+ IconRegion *ir;
+ IconEntry *ie;
+ int w = 0, h = 0;
+
+ ie = 0;
+ for (ir = Scr->FirstRegion; ir; ir = ir->next) {
+ w = roundUp (iconWidth (tmp_win), ir->stepx);
+ h = roundUp (iconHeight (tmp_win), ir->stepy);
+ for (ie = ir->entries; ie; ie=ie->next) {
+ if (ie->used)
+ continue;
+ if (ie->w >= w && ie->h >= h)
+ break;
+ }
+ if (ie)
+ break;
+ }
+ if (ie) {
+ splitEntry (ie, ir->grav1, ir->grav2, w, h);
+ ie->used = 1;
+ ie->twm_win = tmp_win;
+ *final_x = ie->x + (ie->w - iconWidth (tmp_win)) / 2;
+ *final_y = ie->y + (ie->h - iconHeight (tmp_win)) / 2;
+ } else {
+ *final_x = def_x;
+ *final_y = def_y;
+ }
+ return;
+}
+
+static IconEntry *
+FindIconEntry (tmp_win, irp)
+ TwmWindow *tmp_win;
+ IconRegion **irp;
+{
+ IconRegion *ir;
+ IconEntry *ie;
+
+ for (ir = Scr->FirstRegion; ir; ir = ir->next) {
+ for (ie = ir->entries; ie; ie=ie->next)
+ if (ie->twm_win == tmp_win) {
+ if (irp)
+ *irp = ir;
+ return ie;
+ }
+ }
+ return 0;
+}
+
+IconUp (tmp_win)
+ TwmWindow *tmp_win;
+{
+ int x, y;
+ int defx, defy;
+ struct IconRegion *ir;
+
+ /*
+ * If the client specified a particular location, let's use it (this might
+ * want to be an option at some point). Otherwise, try to fit within the
+ * icon region.
+ */
+ if (tmp_win->wmhints && (tmp_win->wmhints->flags & IconPositionHint))
+ return;
+
+ if (tmp_win->icon_moved) {
+ if (!XGetGeometry (dpy, tmp_win->icon_w, &JunkRoot, &defx, &defy,
+ &JunkWidth, &JunkHeight, &JunkBW, &JunkDepth))
+ return;
+
+ x = defx + ((int) JunkWidth) / 2;
+ y = defy + ((int) JunkHeight) / 2;
+
+ for (ir = Scr->FirstRegion; ir; ir = ir->next) {
+ if (x >= ir->x && x < (ir->x + ir->w) &&
+ y >= ir->y && y < (ir->y + ir->h))
+ break;
+ }
+ if (!ir) return; /* outside icon regions, leave alone */
+ }
+
+ defx = -100;
+ defy = -100;
+ PlaceIcon(tmp_win, defx, defy, &x, &y);
+ if (x != defx || y != defy) {
+ XMoveWindow (dpy, tmp_win->icon_w, x, y);
+ tmp_win->icon_moved = FALSE; /* since we've restored it */
+ }
+}
+
+static IconEntry *
+prevIconEntry (ie, ir)
+ IconEntry *ie;
+ IconRegion *ir;
+{
+ IconEntry *ip;
+
+ if (ie == ir->entries)
+ return 0;
+ for (ip = ir->entries; ip->next != ie; ip=ip->next)
+ ;
+ return ip;
+}
+
+/* old is being freed; and is adjacent to ie. Merge
+ * regions together
+ */
+
+static
+mergeEntries (old, ie)
+ IconEntry *old, *ie;
+{
+ if (old->y == ie->y) {
+ ie->w = old->w + ie->w;
+ if (old->x < ie->x)
+ ie->x = old->x;
+ } else {
+ ie->h = old->h + ie->h;
+ if (old->y < ie->y)
+ ie->y = old->y;
+ }
+}
+
+IconDown (tmp_win)
+ TwmWindow *tmp_win;
+{
+ IconEntry *ie, *ip, *in;
+ IconRegion *ir;
+
+ ie = FindIconEntry (tmp_win, &ir);
+ if (ie) {
+ ie->twm_win = 0;
+ ie->used = 0;
+ ip = prevIconEntry (ie, ir);
+ in = ie->next;
+ for (;;) {
+ if (ip && ip->used == 0 &&
+ ((ip->x == ie->x && ip->w == ie->w) ||
+ (ip->y == ie->y && ip->h == ie->h)))
+ {
+ ip->next = ie->next;
+ mergeEntries (ie, ip);
+ free ((char *) ie);
+ ie = ip;
+ ip = prevIconEntry (ip, ir);
+ } else if (in && in->used == 0 &&
+ ((in->x == ie->x && in->w == ie->w) ||
+ (in->y == ie->y && in->h == ie->h)))
+ {
+ ie->next = in->next;
+ mergeEntries (in, ie);
+ free ((char *) in);
+ in = ie->next;
+ } else
+ break;
+ }
+ }
+}
+
+AddIconRegion(geom, grav1, grav2, stepx, stepy)
+char *geom;
+int grav1, grav2;
+{
+ IconRegion *ir;
+ int mask;
+
+ ir = (IconRegion *)malloc(sizeof(IconRegion));
+ ir->next = NULL;
+ if (Scr->LastRegion)
+ Scr->LastRegion->next = ir;
+ Scr->LastRegion = ir;
+ if (!Scr->FirstRegion)
+ Scr->FirstRegion = ir;
+
+ ir->entries = NULL;
+ ir->grav1 = grav1;
+ ir->grav2 = grav2;
+ if (stepx <= 0)
+ stepx = 1;
+ if (stepy <= 0)
+ stepy = 1;
+ ir->stepx = stepx;
+ ir->stepy = stepy;
+ ir->x = ir->y = ir->w = ir->h = 0;
+
+ mask = XParseGeometry(geom, &ir->x, &ir->y, (unsigned int *)&ir->w, (unsigned int *)&ir->h);
+
+ if (mask & XNegative)
+ ir->x += Scr->MyDisplayWidth - ir->w;
+
+ if (mask & YNegative)
+ ir->y += Scr->MyDisplayHeight - ir->h;
+ ir->entries = (IconEntry *)malloc(sizeof(IconEntry));
+ ir->entries->next = 0;
+ ir->entries->x = ir->x;
+ ir->entries->y = ir->y;
+ ir->entries->w = ir->w;
+ ir->entries->h = ir->h;
+ ir->entries->twm_win = 0;
+ ir->entries->used = 0;
+}
+
+#ifdef comment
+FreeIconEntries (ir)
+ IconRegion *ir;
+{
+ IconEntry *ie, *tmp;
+
+ for (ie = ir->entries; ie; ie=tmp)
+ {
+ tmp = ie->next;
+ free ((char *) ie);
+ }
+}
+FreeIconRegions()
+{
+ IconRegion *ir, *tmp;
+
+ for (ir = Scr->FirstRegion; ir != NULL;)
+ {
+ tmp = ir;
+ FreeIconEntries (ir);
+ ir = ir->next;
+ free((char *) tmp);
+ }
+ Scr->FirstRegion = NULL;
+ Scr->LastRegion = NULL;
+}
+#endif
+
+CreateIconWindow(tmp_win, def_x, def_y)
+TwmWindow *tmp_win;
+int def_x, def_y;
+{
+ unsigned long event_mask;
+ unsigned long valuemask; /* mask for create windows */
+ XSetWindowAttributes attributes; /* attributes for create windows */
+ Pixmap pm = None; /* tmp pixmap variable */
+ int final_x, final_y;
+ int x;
+
+
+ FB(tmp_win->iconc.fore, tmp_win->iconc.back);
+
+ tmp_win->forced = FALSE;
+ tmp_win->icon_not_ours = FALSE;
+
+ /* now go through the steps to get an icon window, if ForceIcon is
+ * set, then no matter what else is defined, the bitmap from the
+ * .twmrc file is used
+ */
+ if (Scr->ForceIcon)
+ {
+ char *icon_name;
+ Pixmap bm;
+
+ icon_name = LookInNameList(Scr->IconNames, tmp_win->full_name);
+ if (icon_name == NULL)
+ icon_name = LookInList(Scr->IconNames, tmp_win->full_name,
+ &tmp_win->class);
+
+ bm = None;
+ if (icon_name != NULL)
+ {
+ if ((bm = (Pixmap)LookInNameList(Scr->Icons, icon_name)) == None)
+ {
+ if ((bm = GetBitmap (icon_name)) != None)
+ AddToList(&Scr->Icons, icon_name, (char *)bm);
+ }
+ }
+
+ if (bm != None)
+ {
+ XGetGeometry(dpy, bm, &JunkRoot, &JunkX, &JunkY,
+ (unsigned int *) &tmp_win->icon_width, (unsigned int *)&tmp_win->icon_height,
+ &JunkBW, &JunkDepth);
+
+ pm = XCreatePixmap(dpy, Scr->Root, tmp_win->icon_width,
+ tmp_win->icon_height, Scr->d_depth);
+
+ /* the copy plane works on color ! */
+ XCopyPlane(dpy, bm, pm, Scr->NormalGC,
+ 0,0, tmp_win->icon_width, tmp_win->icon_height, 0, 0, 1 );
+
+ tmp_win->forced = TRUE;
+ }
+ }
+
+ /* if the pixmap is still NULL, we didn't get one from the above code,
+ * that could mean that ForceIcon was not set, or that the window
+ * was not in the Icons list, now check the WM hints for an icon
+ */
+ if (pm == None && tmp_win->wmhints &&
+ tmp_win->wmhints->flags & IconPixmapHint)
+ {
+
+ XGetGeometry(dpy, tmp_win->wmhints->icon_pixmap,
+ &JunkRoot, &JunkX, &JunkY,
+ (unsigned int *)&tmp_win->icon_width, (unsigned int *)&tmp_win->icon_height, &JunkBW, &JunkDepth);
+
+ pm = XCreatePixmap(dpy, Scr->Root,
+ tmp_win->icon_width, tmp_win->icon_height,
+ Scr->d_depth);
+
+ XCopyPlane(dpy, tmp_win->wmhints->icon_pixmap, pm, Scr->NormalGC,
+ 0,0, tmp_win->icon_width, tmp_win->icon_height, 0, 0, 1 );
+ }
+
+ /* if we still haven't got an icon, let's look in the Icon list
+ * if ForceIcon is not set
+ */
+ if (pm == None && !Scr->ForceIcon)
+ {
+ char *icon_name;
+ Pixmap bm;
+
+ icon_name = LookInNameList(Scr->IconNames, tmp_win->full_name);
+ if (icon_name == NULL)
+ icon_name = LookInList(Scr->IconNames, tmp_win->full_name,
+ &tmp_win->class);
+
+ bm = None;
+ if (icon_name != NULL)
+ {
+ if ((bm = (Pixmap)LookInNameList(Scr->Icons, icon_name)) == None)
+ {
+ if ((bm = GetBitmap (icon_name)) != None)
+ AddToList(&Scr->Icons, icon_name, (char *)bm);
+ }
+ }
+
+ if (bm != None)
+ {
+ XGetGeometry(dpy, bm, &JunkRoot, &JunkX, &JunkY,
+ (unsigned int *)&tmp_win->icon_width, (unsigned int *)&tmp_win->icon_height,
+ &JunkBW, &JunkDepth);
+
+ pm = XCreatePixmap(dpy, Scr->Root, tmp_win->icon_width,
+ tmp_win->icon_height, Scr->d_depth);
+
+ /* the copy plane works on color ! */
+ XCopyPlane(dpy, bm, pm, Scr->NormalGC,
+ 0,0, tmp_win->icon_width, tmp_win->icon_height, 0, 0, 1 );
+ }
+ }
+
+ /* if we still don't have an icon, assign the UnknownIcon */
+
+ if (pm == None && Scr->UnknownPm != None)
+ {
+ tmp_win->icon_width = Scr->UnknownWidth;
+ tmp_win->icon_height = Scr->UnknownHeight;
+
+ pm = XCreatePixmap(dpy, Scr->Root, tmp_win->icon_width,
+ tmp_win->icon_height, Scr->d_depth);
+
+ /* the copy plane works on color ! */
+ XCopyPlane(dpy, Scr->UnknownPm, pm, Scr->NormalGC,
+ 0,0, tmp_win->icon_width, tmp_win->icon_height, 0, 0, 1 );
+ }
+
+ if (pm == None)
+ {
+ tmp_win->icon_height = 0;
+ tmp_win->icon_width = 0;
+ valuemask = 0;
+ }
+ else
+ {
+ valuemask = CWBackPixmap;
+ attributes.background_pixmap = pm;
+ }
+
+ tmp_win->icon_w_width = XTextWidth(Scr->IconFont.font,
+ tmp_win->icon_name, strlen(tmp_win->icon_name));
+
+ tmp_win->icon_w_width += 6;
+ if (tmp_win->icon_w_width < tmp_win->icon_width)
+ {
+ tmp_win->icon_x = (tmp_win->icon_width - tmp_win->icon_w_width)/2;
+ tmp_win->icon_x += 3;
+ tmp_win->icon_w_width = tmp_win->icon_width;
+ }
+ else
+ {
+ tmp_win->icon_x = 3;
+ }
+ tmp_win->icon_y = tmp_win->icon_height + Scr->IconFont.height;
+ tmp_win->icon_w_height = tmp_win->icon_height + Scr->IconFont.height + 4;
+
+ event_mask = 0;
+ if (tmp_win->wmhints && tmp_win->wmhints->flags & IconWindowHint)
+ {
+ tmp_win->icon_w = tmp_win->wmhints->icon_window;
+ if (tmp_win->forced ||
+ XGetGeometry(dpy, tmp_win->icon_w, &JunkRoot, &JunkX, &JunkY,
+ (unsigned int *)&tmp_win->icon_w_width, (unsigned int *)&tmp_win->icon_w_height,
+ &JunkBW, &JunkDepth) == 0)
+ {
+ tmp_win->icon_w = None;
+ tmp_win->wmhints->flags &= ~IconWindowHint;
+ }
+ else
+ {
+ tmp_win->icon_not_ours = TRUE;
+ event_mask = EnterWindowMask | LeaveWindowMask;
+ }
+ }
+ else
+ {
+ tmp_win->icon_w = None;
+ }
+
+ if (tmp_win->icon_w == None)
+ {
+ tmp_win->icon_w = XCreateSimpleWindow(dpy, Scr->Root,
+ 0,0,
+ tmp_win->icon_w_width, tmp_win->icon_w_height,
+ Scr->IconBorderWidth, tmp_win->icon_border, tmp_win->iconc.back);
+ event_mask = ExposureMask;
+ }
+
+ XSelectInput (dpy, tmp_win->icon_w,
+ KeyPressMask | ButtonPressMask | ButtonReleaseMask |
+ event_mask);
+
+ tmp_win->icon_bm_w = None;
+ if (pm != None &&
+ (! (tmp_win->wmhints && tmp_win->wmhints->flags & IconWindowHint)))
+ {
+ int y;
+
+ y = 0;
+ if (tmp_win->icon_w_width == tmp_win->icon_width)
+ x = 0;
+ else
+ x = (tmp_win->icon_w_width - tmp_win->icon_width)/2;
+
+ tmp_win->icon_bm_w = XCreateWindow (dpy, tmp_win->icon_w, x, y,
+ (unsigned int)tmp_win->icon_width,
+ (unsigned int)tmp_win->icon_height,
+ (unsigned int) 0, Scr->d_depth,
+ (unsigned int) CopyFromParent,
+ Scr->d_visual, valuemask,
+ &attributes);
+ }
+
+ /* I need to figure out where to put the icon window now, because
+ * getting here means that I am going to make the icon visible
+ */
+ if (tmp_win->wmhints &&
+ tmp_win->wmhints->flags & IconPositionHint)
+ {
+ final_x = tmp_win->wmhints->icon_x;
+ final_y = tmp_win->wmhints->icon_y;
+ }
+ else
+ {
+ PlaceIcon(tmp_win, def_x, def_y, &final_x, &final_y);
+ }
+
+ if (final_x > Scr->MyDisplayWidth)
+ final_x = Scr->MyDisplayWidth - tmp_win->icon_w_width -
+ (2 * Scr->IconBorderWidth);
+
+ if (final_y > Scr->MyDisplayHeight)
+ final_y = Scr->MyDisplayHeight - tmp_win->icon_height -
+ Scr->IconFont.height - 4 - (2 * Scr->IconBorderWidth);
+
+ XMoveWindow(dpy, tmp_win->icon_w, final_x, final_y);
+ tmp_win->iconified = TRUE;
+
+ XMapSubwindows(dpy, tmp_win->icon_w);
+ XSaveContext(dpy, tmp_win->icon_w, TwmContext, (caddr_t)tmp_win);
+ XSaveContext(dpy, tmp_win->icon_w, ScreenContext, (caddr_t)Scr);
+ XDefineCursor(dpy, tmp_win->icon_w, Scr->IconCursor);
+ if (pm) XFreePixmap (dpy, pm);
+ return;
+}
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