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/* windows.c -- Eterm window handling module
* This file is original work by Michael Jennings <mej@eterm.org> and
* Tuomo Venalainen <vendu@cc.hut.fi>. This file, and any other file
* bearing this same message or a similar one, is distributed under
* the GNU Public License (GPL) as outlined in the COPYING file.
*
* Copyright (C) 1997, Michael Jennings and Tuomo Venalainen
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
static const char cvs_ident[] = "$Id$";
#include "config.h"
#include "feature.h"
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <limits.h>
#include <X11/cursorfont.h>
#include "../libmej/debug.h"
#include "../libmej/mem.h"
#include "../libmej/strings.h"
#include "debug.h"
#include "command.h"
#include "e.h"
#include "events.h"
#include "main.h"
#include "menus.h"
#include "options.h"
#include "pixmap.h"
#include "screen.h"
#include "scrollbar.h"
#include "term.h"
#include "windows.h"
XWindowAttributes attr;
XSetWindowAttributes Attributes;
XSizeHints szHint =
{
PMinSize | PResizeInc | PBaseSize | PWinGravity,
0, 0, 80, 24, /* x, y, width, height */
1, 1, /* Min width, height */
0, 0, /* Max width, height - unused */
1, 1, /* increments: width, height */
{1, 1}, /* increments: x, y */
{0, 0}, /* Aspect ratio - unused */
0, 0, /* base size: width, height */
NorthWestGravity /* gravity */
};
int font_change_count = 0;
#ifdef MULTI_CHARSET
/* Kanji font names, roman fonts sized to match */
const char *def_kfontName[] =
{
KFONT0, KFONT1, KFONT2, KFONT3, KFONT4
};
#endif /* MULTI_CHARSET */
const char *def_fontName[] =
{
FONT0, FONT1, FONT2, FONT3, FONT4
};
Cursor TermWin_cursor; /* cursor for vt window */
Pixel
get_bottom_shadow_color(Pixel norm_color, const char *type)
{
XColor xcol;
unsigned int r, g, b;
xcol.pixel = norm_color;
XQueryColor(Xdisplay, cmap, &xcol);
xcol.red /= 2;
xcol.green /= 2;
xcol.blue /= 2;
r = xcol.red;
g = xcol.green;
b = xcol.blue;
xcol.pixel = Imlib_best_color_match(imlib_id, &r, &g, &b);
if (!XAllocColor(Xdisplay, cmap, &xcol)) {
print_error("Unable to allocate \"%s\" (0x%08x: 0x%04x, 0x%04x, 0x%04x) in the color map.", type, xcol.pixel, r, g, b);
xcol.pixel = PixColors[minColor];
}
return (xcol.pixel);
}
Pixel
get_top_shadow_color(Pixel norm_color, const char *type)
{
XColor xcol, white;
unsigned int r, g, b;
# ifdef PREFER_24BIT
white.red = white.green = white.blue = r = g = b = ~0;
white.pixel = Imlib_best_color_match(imlib_id, &r, &g, &b);
XAllocColor(Xdisplay, cmap, &white);
# else
white.pixel = WhitePixel(Xdisplay, Xscreen);
XQueryColor(Xdisplay, cmap, &white);
# endif
xcol.pixel = norm_color;
XQueryColor(Xdisplay, cmap, &xcol);
xcol.red = max((white.red / 5), xcol.red);
xcol.green = max((white.green / 5), xcol.green);
xcol.blue = max((white.blue / 5), xcol.blue);
xcol.red = min(white.red, (xcol.red * 7) / 5);
xcol.green = min(white.green, (xcol.green * 7) / 5);
xcol.blue = min(white.blue, (xcol.blue * 7) / 5);
r = xcol.red;
g = xcol.green;
b = xcol.blue;
xcol.pixel = Imlib_best_color_match(imlib_id, &r, &g, &b);
if (!XAllocColor(Xdisplay, cmap, &xcol)) {
print_error("Unable to allocate \"%s\" (0x%08x: 0x%04x, 0x%04x, 0x%04x) in the color map.", type, xcol.pixel, r, g, b);
xcol.pixel = PixColors[WhiteColor];
}
return (xcol.pixel);
}
/* Create_Windows() - Open and map the window */
void
Create_Windows(int argc, char *argv[])
{
Cursor cursor;
XClassHint classHint;
XWMHints wmHint;
Atom prop = None;
CARD32 val;
int i, x = 0, y = 0, flags;
unsigned int width = 0, height = 0;
unsigned int r, g, b;
MWMHints mwmhints;
if (Options & Opt_borderless) {
prop = XInternAtom(Xdisplay, "_MOTIF_WM_HINTS", True);
if (prop == None) {
print_warning("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.");
Attributes.override_redirect = TRUE;
mwmhints.flags = 0;
} else {
mwmhints.flags = MWM_HINTS_DECORATIONS;
mwmhints.decorations = 0;
}
} else {
mwmhints.flags = 0;
}
Attributes.backing_store = WhenMapped;
Attributes.colormap = cmap;
/*
* grab colors before netscape does
*/
for (i = 0; i < (Xdepth <= 2 ? 2 : NRS_COLORS); i++) {
XColor xcol;
unsigned char found_color = 0;
if (rs_color[i]) {
if (!XParseColor(Xdisplay, cmap, rs_color[i], &xcol)) {
print_warning("Unable to resolve \"%s\" as a color name. Falling back on \"%s\".",
rs_color[i], def_colorName[i] ? def_colorName[i] : "(nil)");
rs_color[i] = def_colorName[i];
if (rs_color[i]) {
if (!XParseColor(Xdisplay, cmap, rs_color[i], &xcol)) {
print_warning("Unable to resolve \"%s\" as a color name. This should never fail. Please repair/restore your RGB database.", rs_color[i]);
found_color = 0;
} else {
found_color = 1;
}
}
} else {
found_color = 1;
}
if (found_color) {
r = xcol.red;
g = xcol.green;
b = xcol.blue;
xcol.pixel = Imlib_best_color_match(imlib_id, &r, &g, &b);
if (!XAllocColor(Xdisplay, cmap, &xcol)) {
print_warning("Unable to allocate \"%s\" (0x%08x: 0x%04x, 0x%04x, 0x%04x) in the color map. "
"Falling back on \"%s\".",
rs_color[i], xcol.pixel, r, g, b, def_colorName[i] ? def_colorName[i] : "(nil)");
rs_color[i] = def_colorName[i];
if (rs_color[i]) {
if (!XAllocColor(Xdisplay, cmap, &xcol)) {
print_warning("Unable to allocate \"%s\" (0x%08x: 0x%04x, 0x%04x, 0x%04x) in the color map.",
rs_color[i], xcol.pixel, r, g, b);
found_color = 0;
} else {
found_color = 1;
}
}
} else {
found_color = 1;
}
}
} else {
found_color = 0;
}
if (!found_color) {
switch (i) {
case fgColor:
case bgColor:
/* fatal: need bg/fg color */
fatal_error("Unable to get foreground/background colors!");
break;
#ifndef NO_CURSORCOLOR
case cursorColor:
xcol.pixel = PixColors[bgColor];
break;
case cursorColor2:
xcol.pixel = PixColors[fgColor];
break;
#endif /* NO_CURSORCOLOR */
case unfocusedMenuColor:
xcol.pixel = PixColors[menuColor];
break;
case unfocusedScrollColor:
case menuColor:
xcol.pixel = PixColors[scrollColor];
break;
default:
xcol.pixel = PixColors[bgColor]; /* None */
break;
}
}
PixColors[i] = xcol.pixel;
}
#ifndef NO_CURSORCOLOR
if (Xdepth <= 2 || !rs_color[cursorColor])
PixColors[cursorColor] = PixColors[bgColor];
if (Xdepth <= 2 || !rs_color[cursorColor2])
PixColors[cursorColor2] = PixColors[fgColor];
#endif /* NO_CURSORCOLOR */
if (Xdepth <= 2 || !rs_color[pointerColor])
PixColors[pointerColor] = PixColors[fgColor];
if (Xdepth <= 2 || !rs_color[borderColor])
PixColors[borderColor] = PixColors[bgColor];
#ifndef NO_BOLDUNDERLINE
if (Xdepth <= 2 || !rs_color[colorBD])
PixColors[colorBD] = PixColors[fgColor];
if (Xdepth <= 2 || !rs_color[colorUL])
PixColors[colorUL] = PixColors[fgColor];
#endif /* NO_BOLDUNDERLINE */
/*
* get scrollBar/menu shadow colors
*
* The calculations of topShadow/bottomShadow values are adapted
* from the fvwm window manager.
*/
if (Xdepth <= 2) { /* Monochrome */
PixColors[scrollColor] = PixColors[bgColor];
PixColors[topShadowColor] = PixColors[fgColor];
PixColors[bottomShadowColor] = PixColors[fgColor];
PixColors[unfocusedScrollColor] = PixColors[bgColor];
PixColors[unfocusedTopShadowColor] = PixColors[fgColor];
PixColors[unfocusedBottomShadowColor] = PixColors[fgColor];
PixColors[menuColor] = PixColors[bgColor];
PixColors[menuTopShadowColor] = PixColors[fgColor];
PixColors[menuBottomShadowColor] = PixColors[fgColor];
PixColors[unfocusedMenuColor] = PixColors[bgColor];
PixColors[unfocusedMenuTopShadowColor] = PixColors[fgColor];
PixColors[unfocusedMenuBottomShadowColor] = PixColors[fgColor];
} else {
PixColors[bottomShadowColor] = get_bottom_shadow_color(PixColors[scrollColor], "bottomShadowColor");
PixColors[unfocusedBottomShadowColor] = get_bottom_shadow_color(PixColors[unfocusedScrollColor], "unfocusedBottomShadowColor");
PixColors[topShadowColor] = get_top_shadow_color(PixColors[scrollColor], "topShadowColor");
PixColors[unfocusedTopShadowColor] = get_top_shadow_color(PixColors[unfocusedScrollColor], "unfocusedTopShadowColor");
PixColors[menuBottomShadowColor] = get_bottom_shadow_color(PixColors[menuColor], "menuBottomShadowColor");
PixColors[unfocusedMenuBottomShadowColor] = get_bottom_shadow_color(PixColors[unfocusedMenuColor], "unfocusedMenuBottomShadowColor");
PixColors[menuTopShadowColor] = get_top_shadow_color(PixColors[menuColor], "menuTopShadowColor");
PixColors[unfocusedMenuTopShadowColor] = get_top_shadow_color(PixColors[unfocusedMenuColor], "unfocusedMenuTopShadowColor");
}
szHint.base_width = (2 * TermWin.internalBorder + (Options & Opt_scrollBar ? scrollbar_trough_width() : 0));
szHint.base_height = (2 * TermWin.internalBorder);
flags = (rs_geometry ? XParseGeometry(rs_geometry, &x, &y, &width, &height) : 0);
D_X11(("XParseGeometry(geom, %d, %d, %d, %d)\n", x, y, width, height));
if (flags & WidthValue) {
szHint.width = width;
szHint.flags |= USSize;
}
if (flags & HeightValue) {
szHint.height = height;
szHint.flags |= USSize;
}
TermWin.ncol = szHint.width;
TermWin.nrow = szHint.height;
change_font(1, NULL);
if (flags & XValue) {
if (flags & XNegative) {
if (check_for_enlightenment()) {
x += (DisplayWidth(Xdisplay, Xscreen));
} else {
x += (DisplayWidth(Xdisplay, Xscreen) - (szHint.width + TermWin.internalBorder));
}
szHint.win_gravity = NorthEastGravity;
}
szHint.x = x;
szHint.flags |= USPosition;
}
if (flags & YValue) {
if (flags & YNegative) {
if (check_for_enlightenment()) {
y += (DisplayHeight(Xdisplay, Xscreen) - (2 * TermWin.internalBorder));
} else {
y += (DisplayHeight(Xdisplay, Xscreen) - (szHint.height + TermWin.internalBorder));
}
szHint.win_gravity = (szHint.win_gravity == NorthEastGravity ?
SouthEastGravity : SouthWestGravity);
}
szHint.y = y;
szHint.flags |= USPosition;
}
if (flags) {
D_X11(("Geometry values after parsing: %dx%d%+d%+d\n", width, height, x, y));
}
/* parent window - reverse video so we can see placement errors
* sub-window placement & size in resize_subwindows()
*/
Attributes.background_pixel = PixColors[bgColor];
Attributes.border_pixel = PixColors[bgColor];
TermWin.parent = XCreateWindow(Xdisplay, Xroot, szHint.x, szHint.y, szHint.width, szHint.height, 0, Xdepth, InputOutput,
#ifdef PREFER_24BIT
Xvisual,
#else
CopyFromParent,
#endif
CWBackPixel | CWBorderPixel | CWColormap | CWOverrideRedirect, &Attributes);
xterm_seq(XTerm_title, rs_title);
xterm_seq(XTerm_iconName, rs_iconName);
classHint.res_name = (char *) rs_name;
classHint.res_class = APL_NAME;
wmHint.window_group = TermWin.parent;
wmHint.input = True;
wmHint.initial_state = (Options & Opt_iconic ? IconicState : NormalState);
wmHint.window_group = TermWin.parent;
wmHint.flags = (InputHint | StateHint | WindowGroupHint);
#ifdef PIXMAP_SUPPORT
set_icon_pixmap(rs_icon, &wmHint);
#endif
XSetWMProperties(Xdisplay, TermWin.parent, NULL, NULL, argv, argc, &szHint, &wmHint, &classHint);
XSelectInput(Xdisplay, TermWin.parent, (KeyPressMask | FocusChangeMask | StructureNotifyMask | VisibilityChangeMask | PropertyChangeMask));
if (mwmhints.flags) {
XChangeProperty(Xdisplay, TermWin.parent, prop, prop, 32, PropModeReplace, (unsigned char *) &mwmhints, PROP_MWM_HINTS_ELEMENTS);
}
/* vt cursor: Black-on-White is standard, but this is more popular */
TermWin_cursor = XCreateFontCursor(Xdisplay, XC_xterm);
{
XColor fg, bg;
fg.pixel = PixColors[pointerColor];
XQueryColor(Xdisplay, cmap, &fg);
bg.pixel = PixColors[bgColor];
XQueryColor(Xdisplay, cmap, &bg);
XRecolorCursor(Xdisplay, TermWin_cursor, &fg, &bg);
}
/* cursor (menu/scrollbar): Black-on-White */
cursor = XCreateFontCursor(Xdisplay, XC_left_ptr);
/* the vt window */
if ((!(Options & Opt_borderless)) && (Options & Opt_backing_store)) {
D_X11(("Creating term window with save_under = TRUE\n"));
TermWin.vt = XCreateWindow(Xdisplay, TermWin.parent, 0, 0, szHint.width, szHint.height, 0, Xdepth, InputOutput, CopyFromParent,
CWBackPixel | CWBorderPixel | CWOverrideRedirect | CWBackingStore | CWColormap, &Attributes);
if (!(background_is_pixmap()) && !(Options & Opt_borderless)) {
XSetWindowBackground(Xdisplay, TermWin.vt, PixColors[bgColor]);
XClearWindow(Xdisplay, TermWin.vt);
}
} else {
D_X11(("Creating term window with no backing store\n"));
TermWin.vt = XCreateWindow(Xdisplay, TermWin.parent, 0, 0, szHint.width, szHint.height, 0, Xdepth, InputOutput, CopyFromParent,
CWBackPixel | CWBorderPixel | CWOverrideRedirect | CWColormap, &Attributes);
if (!(background_is_pixmap()) && !(Options & Opt_borderless)) {
XSetWindowBackground(Xdisplay, TermWin.vt, PixColors[bgColor]);
XClearWindow(Xdisplay, TermWin.vt);
}
}
XDefineCursor(Xdisplay, TermWin.vt, TermWin_cursor);
XSelectInput(Xdisplay, TermWin.vt, (ExposureMask | ButtonPressMask | ButtonReleaseMask | Button1MotionMask | Button3MotionMask));
/* If the user wants a specific desktop, tell the WM that */
if (rs_desktop != -1) {
prop = XInternAtom(Xdisplay, "_WIN_WORKSPACE", False);
val = rs_desktop;
XChangeProperty(Xdisplay, TermWin.parent, prop, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
}
/* We're done creating our windows. Now let's initialize the event subsystem to handle them. */
event_init_subsystem((event_dispatcher_t) process_x_event, (event_dispatcher_init_t) event_init_primary_dispatcher);
/* Time for the scrollbar to create its windows and add itself to the event subsystem. */
scrollbar_init();
/* Same for the menu subsystem. */
menu_init();
XMapWindow(Xdisplay, TermWin.vt);
XMapWindow(Xdisplay, TermWin.parent);
XSetWindowBackground(Xdisplay, TermWin.vt, PixColors[bgColor]);
XClearWindow(Xdisplay, TermWin.vt);
#ifdef PIXMAP_SUPPORT
if (background_is_image()) {
render_simage(images[image_bg].norm, TermWin.vt, TermWin_TotalWidth(), TermWin_TotalHeight(), image_bg, 0);
}
#endif /* PIXMAP_SUPPORT */
/* graphics context for the vt window */
{
XGCValues gcvalue;
gcvalue.font = TermWin.font->fid;
gcvalue.foreground = PixColors[fgColor];
gcvalue.background = PixColors[bgColor];
gcvalue.graphics_exposures = 0;
TermWin.gc = XCreateGC(Xdisplay, TermWin.vt, GCForeground | GCBackground | GCFont | GCGraphicsExposures, &gcvalue);
}
if (Options & Opt_noCursor)
scr_cursor_visible(0);
}
/* window resizing - assuming the parent window is the correct size */
void
resize_subwindows(int width, int height)
{
int x = 0, y = 0;
#ifdef RXVT_GRAPHICS
int old_width = TermWin.width;
int old_height = TermWin.height;
#endif
D_SCREEN(("resize_subwindows(%d, %d)\n", width, height));
TermWin.width = TermWin.ncol * TermWin.fwidth;
TermWin.height = TermWin.nrow * TermWin.fheight;
/* size and placement */
if (scrollbar_visible()) {
scrollBar.beg = 0;
scrollBar.end = height;
#ifdef MOTIF_SCROLLBAR
if (scrollBar.type == SCROLLBAR_MOTIF) {
/* arrows are as high as wide - leave 1 pixel gap */
scrollBar.beg += scrollbar_arrow_height() + scrollbar_get_shadow() + 1;
scrollBar.end -= scrollbar_arrow_height() + scrollbar_get_shadow() + 1;
}
#endif
#ifdef NEXT_SCROLLBAR
if (scrollBar.type == SCROLLBAR_NEXT) {
scrollBar.beg = scrollbar_get_shadow();
scrollBar.end -= (scrollBar.width * 2 + (scrollbar_get_shadow()? scrollbar_get_shadow() : 1) + 2);
}
#endif
width -= scrollbar_trough_width();
XMoveResizeWindow(Xdisplay, scrollBar.win, ((Options & Opt_scrollBar_right) ? (width) : (x)), 0, scrollbar_trough_width(), height);
if (scrollbar_is_pixmapped()) {
scrollbar_show(0);
}
if (!(Options & Opt_scrollBar_right)) {
x = scrollbar_trough_width();
}
}
XMoveResizeWindow(Xdisplay, TermWin.vt, x, y, width, height + 1);
#ifdef RXVT_GRAPHICS
if (old_width)
Gr_Resize(old_width, old_height);
#endif
if (!(background_is_pixmap())) {
XSetWindowBackground(Xdisplay, TermWin.vt, PixColors[bgColor]);
XClearWindow(Xdisplay, TermWin.vt);
} else {
#ifdef PIXMAP_SUPPORT
render_simage(images[image_bg].current, TermWin.vt, TermWin_TotalWidth(), TermWin_TotalHeight(), image_bg, 1);
#endif
}
}
void
resize(void)
{
szHint.base_width = (2 * TermWin.internalBorder);
szHint.base_height = (2 * TermWin.internalBorder);
szHint.base_width += (scrollbar_visible()? scrollbar_trough_width() : 0);
szHint.min_width = szHint.base_width + szHint.width_inc;
szHint.min_height = szHint.base_height + szHint.height_inc;
szHint.width = szHint.base_width + TermWin.width;
szHint.height = szHint.base_height + TermWin.height;
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
XSetWMNormalHints(Xdisplay, TermWin.parent, &szHint);
XResizeWindow(Xdisplay, TermWin.parent, szHint.width, szHint.height);
resize_subwindows(szHint.width, szHint.height);
}
/*
* Redraw window after exposure or size change
*/
void
resize_window1(unsigned int width, unsigned int height)
{
static short first_time = 1;
int new_ncol = (width - szHint.base_width) / TermWin.fwidth;
int new_nrow = (height - szHint.base_height) / TermWin.fheight;
if (first_time ||
(new_ncol != TermWin.ncol) ||
(new_nrow != TermWin.nrow)) {
int curr_screen = -1;
/* scr_reset only works on the primary screen */
if (!first_time) { /* this is not the first time thru */
selection_clear();
curr_screen = scr_change_screen(PRIMARY);
}
TermWin.ncol = new_ncol;
TermWin.nrow = new_nrow;
resize_subwindows(width, height);
scr_reset();
if (curr_screen >= 0) /* this is not the first time thru */
scr_change_screen(curr_screen);
first_time = 0;
} else if (image_mode_is(image_bg, MODE_TRANS) || image_mode_is(image_bg, MODE_VIEWPORT)) {
resize_subwindows(width, height);
}
}
/*
* good for toggling 80/132 columns
*/
void
set_width(unsigned short width)
{
unsigned short height = TermWin.nrow;
if (width != TermWin.ncol) {
width = szHint.base_width + width * TermWin.fwidth;
height = szHint.base_height + height * TermWin.fheight;
XResizeWindow(Xdisplay, TermWin.parent, width, height);
resize_window1(width, height);
}
}
/*
* Redraw window after exposure or size change
*/
void
resize_window(void)
{
Window root;
int x, y;
unsigned int border, depth, width, height;
/* do we come from an fontchange? */
if (font_change_count > 0) {
font_change_count--;
return;
}
XGetGeometry(Xdisplay, TermWin.parent, &root, &x, &y, &width, &height, &border, &depth);
/* parent already resized */
resize_window1(width, height);
}
#ifdef XTERM_COLOR_CHANGE
void
set_window_color(int idx, const char *color)
{
XColor xcol;
int i;
unsigned int pixel, r, g, b;
if (color == NULL || *color == '\0')
return;
/* handle color aliases */
if (isdigit(*color)) {
i = atoi(color);
if (i >= 8 && i <= 15) { /* bright colors */
i -= 8;
# ifndef NO_BRIGHTCOLOR
PixColors[idx] = PixColors[minBright + i];
goto Done;
# endif
}
if (i >= 0 && i <= 7) { /* normal colors */
PixColors[idx] = PixColors[minColor + i];
goto Done;
}
}
if (XParseColor(Xdisplay, cmap, color, &xcol)) {
r = xcol.red;
g = xcol.green;
b = xcol.blue;
pixel = Imlib_best_color_match(imlib_id, &r, &g, &b);
xcol.pixel = pixel;
if (!XAllocColor(Xdisplay, cmap, &xcol)) {
print_warning("Unable to allocate \"%s\" in the color map.\n", color);
return;
}
} else {
print_warning("Unable to resolve \"%s\" as a color name.\n", color);
return;
}
/*
* FIXME: should free colors here, but no idea how to do it so instead,
* so just keep gobbling up the colormap
*/
# if 0
for (i = BlackColor; i <= WhiteColor; i++)
if (PixColors[idx] == PixColors[i])
break;
if (i > WhiteColor) {
/* fprintf (stderr, "XFreeColors: PixColors[%d] = %lu\n", idx, PixColors[idx]); */
XFreeColors(Xdisplay, cmap, (PixColors + idx), 1,
DisplayPlanes(Xdisplay, Xscreen));
}
# endif
PixColors[idx] = xcol.pixel;
/* XSetWindowAttributes attr; */
/* Cursor cursor; */
Done:
if (idx == bgColor)
XSetWindowBackground(Xdisplay, TermWin.vt, PixColors[bgColor]);
/* handle colorBD, scrollbar background, etc. */
set_colorfgbg();
{
XColor fg, bg;
fg.pixel = PixColors[fgColor];
XQueryColor(Xdisplay, cmap, &fg);
bg.pixel = PixColors[bgColor];
XQueryColor(Xdisplay, cmap, &bg);
XRecolorCursor(Xdisplay, TermWin_cursor, &fg, &bg);
}
/* the only reasonable way to enforce a clean update */
scr_poweron();
}
#else
# define set_window_color(idx,color) ((void)0)
#endif /* XTERM_COLOR_CHANGE */
/* load_font(): Load a new font and return a pointer to it. */
XFontStruct *
load_font(const char *fontname)
{
XFontStruct *xfont;
const char *fallback = "fixed";
ASSERT_RVAL(fontname != NULL, NULL);
xfont = XLoadQueryFont(Xdisplay, fontname);
if (!xfont) {
print_error("Unable to load font \"%s\". Falling back on \"%s\"\n", fontname, fallback);
xfont = XLoadQueryFont(Xdisplay, fallback);
if (!xfont) {
fatal_error("Unable to load font \"%s\". Unable to continue.\n", fallback);
}
}
return (xfont);
}
/* change_font() - Switch to a new font */
/*
* init = 1 - initialize
*
* fontname == FONT_UP - switch to bigger font
* fontname == FONT_DN - switch to smaller font
*/
void
change_font(int init, const char *fontname)
{
const char *const msg = "can't load font \"%s\"";
XFontStruct *xfont;
static char *newfont[NFONTS];
#ifndef NO_BOLDFONT
static XFontStruct *boldFont = NULL;
#endif
static int fnum = FONT0_IDX; /* logical font number */
int idx = 0; /* index into rs_font[] */
if (!init) {
switch (fontname[0]) {
case '\0':
fnum = FONT0_IDX;
fontname = NULL;
break;
/* special (internal) prefix for font commands */
case FONT_CMD:
idx = atoi(fontname + 1);
switch (fontname[1]) {
case '+': /* corresponds to FONT_UP */
fnum += (idx ? idx : 1);
fnum = FNUM_RANGE(fnum);
break;
case '-': /* corresponds to FONT_DN */
fnum += (idx ? idx : -1);
fnum = FNUM_RANGE(fnum);
break;
default:
if (fontname[1] != '\0' && !isdigit(fontname[1]))
return;
if (idx < 0 || idx >= (NFONTS))
return;
fnum = IDX2FNUM(idx);
break;
}
fontname = NULL;
break;
default:
if (fontname != NULL) {
/* search for existing fontname */
for (idx = 0; idx < NFONTS; idx++) {
if (!strcmp(rs_font[idx], fontname)) {
fnum = IDX2FNUM(idx);
fontname = NULL;
break;
}
}
} else
return;
break;
}
/* re-position around the normal font */
idx = FNUM2IDX(fnum);
if (fontname != NULL) {
char *name;
xfont = XLoadQueryFont(Xdisplay, fontname);
if (!xfont)
return;
name = MALLOC(strlen(fontname + 1) * sizeof(char));
if (name == NULL) {
XFreeFont(Xdisplay, xfont);
return;
}
strcpy(name, fontname);
if (newfont[idx] != NULL)
FREE(newfont[idx]);
newfont[idx] = name;
rs_font[idx] = newfont[idx];
}
}
if (TermWin.font)
XFreeFont(Xdisplay, TermWin.font);
/* load font or substitute */
xfont = XLoadQueryFont(Xdisplay, rs_font[idx]);
if (!xfont) {
print_error(msg, rs_font[idx]);
rs_font[idx] = "fixed";
xfont = XLoadQueryFont(Xdisplay, rs_font[idx]);
if (!xfont) {
print_error(msg, rs_font[idx]);
ABORT();
}
}
TermWin.font = xfont;
#ifndef NO_BOLDFONT
/* fail silently */
if (init && rs_boldFont != NULL)
boldFont = XLoadQueryFont(Xdisplay, rs_boldFont);
#endif
#ifdef MULTI_CHARSET
if (TermWin.mfont)
XFreeFont(Xdisplay, TermWin.mfont);
/* load font or substitute */
xfont = XLoadQueryFont(Xdisplay, rs_mfont[idx]);
if (!xfont) {
print_error(msg, rs_mfont[idx]);
rs_mfont[idx] = "k14";
xfont = XLoadQueryFont(Xdisplay, rs_mfont[idx]);
if (!xfont) {
print_error(msg, rs_mfont[idx]);
ABORT();
}
}
TermWin.mfont = xfont;
# ifdef USE_XIM
if (Input_Context) {
if (TermWin.fontset)
XFreeFontSet(Xdisplay, TermWin.fontset);
TermWin.fontset = create_fontset(rs_font[idx], rs_mfont[idx]);
xim_set_fontset();
}
# endif
#endif /* MULTI_CHARSET */
/* alter existing GC */
if (!init) {
XSetFont(Xdisplay, TermWin.gc, TermWin.font->fid);
}
/* set the sizes */
{
int cw, fh, fw = 0;
unsigned long i;
fw = TermWin.font->min_bounds.width;
fh = TermWin.font->ascent + TermWin.font->descent + rs_line_space;
D_X11(("Font information: Ascent == %hd, Descent == %hd\n", TermWin.font->ascent, TermWin.font->descent));
if (TermWin.font->min_bounds.width == TermWin.font->max_bounds.width)
TermWin.fprop = 0; /* Mono-spaced (fixed width) font */
else
TermWin.fprop = 1; /* Proportional font */
if (TermWin.fprop == 1)
for (i = TermWin.font->min_char_or_byte2;
i <= TermWin.font->max_char_or_byte2; i++) {
cw = TermWin.font->per_char[i].width;
MAX_IT(fw, cw);
}
/* not the first time thru and sizes haven't changed */
if (fw == TermWin.fwidth && fh == TermWin.fheight)
return; /* TODO: not return; check MULTI_CHARSET if needed */
TermWin.fwidth = fw;
TermWin.fheight = fh;
}
/* check that size of boldFont is okay */
#ifndef NO_BOLDFONT
TermWin.boldFont = NULL;
if (boldFont != NULL) {
int i, cw, fh, fw = 0;
fw = boldFont->min_bounds.width;
fh = boldFont->ascent + boldFont->descent + rs_line_space;
if (TermWin.fprop == 0) { /* bold font must also be monospaced */
if (fw != boldFont->max_bounds.width)
fw = -1;
} else {
for (i = 0; i < 256; i++) {
if (!isprint(i))
continue;
cw = boldFont->per_char[i].width;
MAX_IT(fw, cw);
}
}
if (fw == TermWin.fwidth && fh == TermWin.fheight)
TermWin.boldFont = boldFont;
}
#endif /* NO_BOLDFONT */
set_colorfgbg();
TermWin.width = TermWin.ncol * TermWin.fwidth;
TermWin.height = TermWin.nrow * TermWin.fheight;
szHint.width_inc = TermWin.fwidth;
szHint.height_inc = TermWin.fheight;
szHint.min_width = szHint.base_width + szHint.width_inc;
szHint.min_height = szHint.base_height + szHint.height_inc;
szHint.width = szHint.base_width + TermWin.width;
szHint.height = szHint.base_height + TermWin.height;
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
if (!init) {
font_change_count++;
resize();
}
return;
}
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