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use XCreateWindow(), set gravity bit.

This commit is contained in:
Aurélien Aptel 2010-09-11 15:59:54 +02:00
parent 641b507220
commit 9134535808
1 changed files with 25 additions and 17 deletions
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42
st.c
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@ -104,6 +104,7 @@ typedef struct {
/* Purely graphic info */ /* Purely graphic info */
typedef struct { typedef struct {
Display* dis; Display* dis;
Colormap cmap;
Window win; Window win;
Pixmap buf; Pixmap buf;
int scr; int scr;
@ -1121,11 +1122,10 @@ void
xloadcols(void) { xloadcols(void) {
int i, r, g, b; int i, r, g, b;
XColor color; XColor color;
Colormap cmap = DefaultColormap(xw.dis, xw.scr);
unsigned long white = WhitePixel(xw.dis, xw.scr); unsigned long white = WhitePixel(xw.dis, xw.scr);
for(i = 0; i < 16; i++) { for(i = 0; i < 16; i++) {
if (!XAllocNamedColor(xw.dis, cmap, colorname[i], &color, &color)) { if (!XAllocNamedColor(xw.dis, xw.cmap, colorname[i], &color, &color)) {
dc.col[i] = white; dc.col[i] = white;
fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]); fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]);
} else } else
@ -1139,7 +1139,7 @@ xloadcols(void) {
color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r; color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g; color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b; color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
if (!XAllocColor(xw.dis, cmap, &color)) { if (!XAllocColor(xw.dis, xw.cmap, &color)) {
dc.col[i] = white; dc.col[i] = white;
fprintf(stderr, "Could not allocate color %d\n", i); fprintf(stderr, "Could not allocate color %d\n", i);
} else } else
@ -1149,7 +1149,7 @@ xloadcols(void) {
for(r = 0; r < 24; r++, i++) { for(r = 0; r < 24; r++, i++) {
color.red = color.green = color.blue = 0x0808 + 0x0a0a * r; color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
if (!XAllocColor(xw.dis, cmap, &color)) { if (!XAllocColor(xw.dis, xw.cmap, &color)) {
dc.col[i] = white; dc.col[i] = white;
fprintf(stderr, "Could not allocate color %d\n", i); fprintf(stderr, "Could not allocate color %d\n", i);
} else } else
@ -1184,6 +1184,8 @@ xhints(void)
void void
xinit(void) { xinit(void) {
XSetWindowAttributes attrs;
if(!(xw.dis = XOpenDisplay(NULL))) if(!(xw.dis = XOpenDisplay(NULL)))
die("Can't open display\n"); die("Can't open display\n");
xw.scr = XDefaultScreen(xw.dis); xw.scr = XDefaultScreen(xw.dis);
@ -1197,25 +1199,32 @@ xinit(void) {
xw.ch = dc.font->ascent + dc.font->descent; xw.ch = dc.font->ascent + dc.font->descent;
/* colors */ /* colors */
xw.cmap = XDefaultColormap(xw.dis, xw.scr);
xloadcols(); xloadcols();
/* windows */ /* window - default size */
xw.bufh = term.row * xw.ch; xw.bufh = 24 * xw.ch;
xw.bufw = term.col * xw.cw; xw.bufw = 80 * xw.cw;
xw.h = xw.bufh + 2*BORDER; xw.h = xw.bufh + 2*BORDER;
xw.w = xw.bufw + 2*BORDER; xw.w = xw.bufw + 2*BORDER;
xw.win = XCreateSimpleWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0,
xw.w, xw.h, 0, attrs.background_pixel = dc.col[DefaultBG];
dc.col[DefaultBG], attrs.border_pixel = dc.col[DefaultBG];
dc.col[DefaultBG]); attrs.bit_gravity = NorthWestGravity;
attrs.event_mask = ExposureMask | KeyPressMask
| StructureNotifyMask | FocusChangeMask | PointerMotionMask
| ButtonPressMask | ButtonReleaseMask;
attrs.colormap = xw.cmap;
xw.win = XCreateWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0,
xw.w, xw.h, 0, XDefaultDepth(xw.dis, xw.scr), InputOutput,
XDefaultVisual(xw.dis, xw.scr),
CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
| CWColormap,
&attrs);
xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr)); xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr));
/* gc */ /* gc */
dc.gc = XCreateGC(xw.dis, xw.win, 0, NULL); dc.gc = XCreateGC(xw.dis, xw.win, 0, NULL);
/* event mask */
XSelectInput(xw.dis, xw.win, ExposureMask | KeyPressMask
| StructureNotifyMask | FocusChangeMask | PointerMotionMask
| ButtonPressMask | ButtonReleaseMask);
XMapWindow(xw.dis, xw.win); XMapWindow(xw.dis, xw.win);
xhints(); xhints();
@ -1432,7 +1441,6 @@ resize(XEvent *e) {
xw.bufw = MAX(1, xw.bufw); xw.bufw = MAX(1, xw.bufw);
XFreePixmap(xw.dis, xw.buf); XFreePixmap(xw.dis, xw.buf);
xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr)); xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr));
draw(SCREEN_REDRAW);
} }
void void