mirror of
https://github.com/amiwm/amiwm.git
synced 2026-03-24 01:24:15 +00:00
0e5c81f6e3
Marcus had written up workbench style widgets inside the two external helper programs requestchoice and executecmd. This ports the code over to libami. Note that there isn't a generic gadget or collection of gadgets yet - this is purely a refactor of the code, and the upcoming commit that migrates requestchoice/executecmd over to use them just handles them directly via xlib like they have always done.
350 lines
8.0 KiB
C
350 lines
8.0 KiB
C
#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/keysym.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#include <errno.h>
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#ifdef USE_FONTSETS
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#include <locale.h>
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#include <wchar.h>
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#endif
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#include "drawinfo.h"
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#include "gadget_textinput.h"
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#ifdef AMIGAOS
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#include <pragmas/xlib_pragmas.h>
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extern struct Library *XLibBase;
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#endif
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struct gadget_textinput *
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gadget_textinput_create(Display *dpy, struct DrawInfo *dri,
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GC gc, Window mainwin, int x, int y, int width, int height,
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int textsize)
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{
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struct gadget_textinput *b;
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b = calloc(1, sizeof(*b));
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if (b == NULL)
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return (NULL);
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b->dpy = dpy;
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b->dri = dri;
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b->gc = gc;
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b->x = x;
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b->y = y;
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b->width = width;
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b->height = height;
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b->buf = calloc(textsize + 1, sizeof(char));
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if (b->buf == NULL) {
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free(b);
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return (NULL);
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}
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b->cur_x = 6;
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b->size = textsize;
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b->w = XCreateSimpleWindow(dpy, mainwin, x, y,
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width, height, 0,
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b->dri->dri_Pens[SHADOWPEN],
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b->dri->dri_Pens[BACKGROUNDPEN]);
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XSelectInput(dpy, b->w, ExposureMask|ButtonPressMask);
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return (b);
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}
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#ifdef USE_FONTSETS
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void
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gadget_textinput_set_xic(struct gadget_textinput *g, XIC xic)
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{
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g->xic = xic;
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}
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#endif
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static void
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gadget_textinput_repaint_str(struct gadget_textinput *b)
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{
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int l, mx=6;
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XSetForeground(b->dpy, b->gc, b->dri->dri_Pens[TEXTPEN]);
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if(b->len > b->left_pos) {
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#ifdef USE_FONTSETS
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int w, c;
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for (l=0; l<b->len - b->left_pos; ) {
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c=mbrlen(b->buf+b->left_pos+l, b->len-b->left_pos-l, NULL);
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w=6+XmbTextEscapement(b->dri->dri_FontSet, b->buf+b->left_pos, l+c);
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if(w>b->width-6)
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break;
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mx=w;
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l+=c;
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}
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XmbDrawImageString(b->dpy, b->w, b->dri->dri_FontSet, b->gc,
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6, 3+b->dri->dri_Ascent,
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b->buf+b->left_pos, l);
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#else
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mx+=XTextWidth(b->dri->dri_Font, b->buf+b->left_pos, l=b->len-b->left_pos);
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while(mx>b->width-6)
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mx-=XTextWidth(b->dri->dri_Font, b->buf+b->left_pos + --l, 1);
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XDrawImageString(b->dpy, b->w, b->gc, 6, 3+b->dri->dri_Ascent,
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b->buf+b->left_pos, l);
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#endif
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}
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XSetForeground(b->dpy, b->gc, b->dri->dri_Pens[BACKGROUNDPEN]);
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XFillRectangle(b->dpy, b->w, b->gc, mx, 3, b->width-mx-6, b->width - 6);
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if(b->selected) {
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if(b->cur_pos<b->len) {
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XSetBackground(b->dpy, b->gc, ~0);
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#ifdef USE_FONTSETS
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l=mbrlen(b->buf+b->cur_pos, b->len-b->cur_pos, NULL);
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XmbDrawImageString(b->dpy, b->w, b->dri->dri_FontSet, b->gc, b->cur_x,
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3+b->dri->dri_Ascent, b->buf+b->cur_pos, l);
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#else
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XDrawImageString(b->dpy, b->w, b->gc, cur_x, 3+b->dri->dri_Ascent,
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b->buf+b->cur_pos, 1);
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#endif
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XSetBackground(b->dpy, b->gc, b->dri->dri_Pens[BACKGROUNDPEN]);
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} else {
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XSetForeground(b->dpy, b->gc, ~0);
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#ifdef USE_FONTSETS
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XFillRectangle(b->dpy, b->w, b->gc, b->cur_x, 3,
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XExtentsOfFontSet(b->dri->dri_FontSet)->
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max_logical_extent.width, b->height - 6);
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#else
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XFillRectangle(b->dpy, b->w, b->gc, cur_x, 3,
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b->dri->dri_Font->max_bounds.width, b->height - 6);
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#endif
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}
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}
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}
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void
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gadget_textinput_repaint(struct gadget_textinput *b)
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{
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gadget_textinput_repaint_str(b);
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XSetForeground(b->dpy, b->gc, b->dri->dri_Pens[SHINEPEN]);
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XDrawLine(b->dpy, b->w, b->gc, 0, b->height-1, 0, 0);
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XDrawLine(b->dpy, b->w, b->gc, 0, 0, b->width-2, 0);
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XDrawLine(b->dpy, b->w, b->gc, 3, b->height-2, b->width-4,
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b->height-2);
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XDrawLine(b->dpy, b->w, b->gc, b->width-4, b->height-2, b->width-4, 2);
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XDrawLine(b->dpy, b->w, b->gc, 1, 1, 1, b->height-2);
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XDrawLine(b->dpy, b->w, b->gc, b->width-3, 1, b->width-3, b->height-2);
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XSetForeground(b->dpy, b->gc, b->dri->dri_Pens[SHADOWPEN]);
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XDrawLine(b->dpy, b->w, b->gc, 1, b->height-1, b->width-1,
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b->height-1);
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XDrawLine(b->dpy, b->w, b->gc, b->width-1, b->height-1, b->width-1, 0);
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XDrawLine(b->dpy, b->w, b->gc, 3, b->height-3, 3, 1);
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XDrawLine(b->dpy, b->w, b->gc, 3, 1, b->width-4, 1);
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XDrawLine(b->dpy, b->w, b->gc, 2, 1, 2, b->height-2);
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XDrawLine(b->dpy, b->w, b->gc, b->width-2, 1, b->width-2, b->height-2);
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}
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void
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gadget_textinput_free(struct gadget_textinput *b)
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{
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if (b->buf)
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free(b->buf);
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XDestroyWindow(b->dpy, b->w);
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free(b);
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}
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void
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gadget_textinput_keyevent(struct gadget_textinput *b, XKeyEvent *e)
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{
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#ifdef USE_FONTSETS
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Status stat;
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#else
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static XComposeStatus stat;
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#endif
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KeySym ks;
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char buf[256];
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int x, i, n;
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#ifndef USE_FONTSETS
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n=XLookupString(e, buf, sizeof(buf), &ks, &stat);
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#else
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n=XmbLookupString(b->xic, e, buf, sizeof(buf), &ks, &stat);
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if(stat == XLookupKeySym || stat == XLookupBoth)
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#endif
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switch(ks) {
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case XK_Return:
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case XK_Linefeed:
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b->crlf = 1;
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break;
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case XK_Left:
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if(b->cur_pos) {
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#ifdef USE_FONTSETS
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int p=b->cur_pos;
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// int z;
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while(p>0) {
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--p;
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if(((int)mbrlen(b->buf+p, b->cur_pos-p, NULL))>0) {
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b->cur_pos=p;
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break;
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}
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}
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#else
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--cur_pos;
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#endif
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}
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break;
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case XK_Right:
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if(b->cur_pos<b->len) {
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#ifdef USE_FONTSETS
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int l=mbrlen(b->buf+b->cur_pos, b->len-b->cur_pos, NULL);
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if(l>0)
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b->cur_pos+=l;
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#else
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b->cur_pos++;
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#endif
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}
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break;
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case XK_Begin:
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b->cur_pos=0;
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break;
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case XK_End:
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b->cur_pos=b->len;
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break;
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case XK_Delete:
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if(b->cur_pos<b->len) {
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int l=1;
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#ifdef USE_FONTSETS
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l=mbrlen(b->buf+b->cur_pos, b->len-b->cur_pos, NULL);
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if(l<=0)
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break;
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#endif
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b->len-=l;
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for(x=b->cur_pos; x<b->len; x++)
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b->buf[x]=b->buf[x+l];
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b->buf[x] = 0;
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} else XBell(b->dpy, 100);
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break;
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case XK_BackSpace:
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if(b->cur_pos>0) {
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int l=1;
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#ifdef USE_FONTSETS
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int p=b->cur_pos;
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while(p>0) {
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--p;
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if(((int)mbrlen(b->buf+p, b->len-p, NULL))>0) {
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l= b->cur_pos - p;
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break;
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}
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}
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#endif
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b->len -= l;
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for(x=(b->cur_pos-=l); x<b->len; x++)
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b->buf[x]=b->buf[x+l];
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b->buf[x] = 0;
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} else XBell(b->dpy, 100);
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break;
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#ifdef USE_FONTSETS
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default:
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if(stat == XLookupBoth)
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stat = XLookupChars;
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}
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if(stat == XLookupChars) {
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#else
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default:
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#endif
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for(i=0; i<n && b->len<b->size-1; i++) {
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for(x=b->len; x>b->cur_pos; --x)
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b->buf[x]=b->buf[x-1];
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b->buf[b->cur_pos++]=buf[i];
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b->len++;
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}
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if(i<n)
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XBell(b->dpy, 100);
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}
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if(b->cur_pos<b->left_pos)
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b->left_pos=b->cur_pos;
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b->cur_x=6;
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#ifdef USE_FONTSETS
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if(b->cur_pos>b->left_pos)
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b->cur_x+=XmbTextEscapement(b->dri->dri_FontSet, b->buf+b->left_pos,
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b->cur_pos-b->left_pos);
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if(b->cur_pos < b->len) {
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int l=mbrlen(b->buf+b->cur_pos, b->len-b->cur_pos, NULL);
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x=XmbTextEscapement(b->dri->dri_FontSet, b->buf+b->cur_pos, l);
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} else
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x=XExtentsOfFontSet(b->dri->dri_FontSet)->max_logical_extent.width;
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#else
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if(b->cur_pos > b->left_pos)
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b->cur_x+=XTextWidth(b->dri->dri_Font, b->buf+b->left_pos, b->cur_pos-b->left_pos);
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if(b->cur_pos<b->buf_len)
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x=XTextWidth(b->dri->dri_Font, b->buf+b->cur_pos, 1);
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else
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x=b->dri->dri_Font->max_bounds.width;
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#endif
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if((x+=b->cur_x-(b->width-6))>0) {
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b->cur_x-=x;
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while(x>0) {
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#ifdef USE_FONTSETS
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int l=mbrlen(b->buf+b->left_pos, b->len-b->left_pos, NULL);
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x-=XmbTextEscapement(b->dri->dri_FontSet, b->buf+b->left_pos, l);
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b->left_pos += l;
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#else
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x-=XTextWidth(b->dri->dri_Font, b->buf+b->left_pos++, 1);
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#endif
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}
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b->cur_x+=x;
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}
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}
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void
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gadget_textinput_buttonevent(struct gadget_textinput *b, XButtonEvent *e)
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{
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int w, l=1;
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b->cur_pos=b->left_pos;
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b->cur_x=6;
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while(b->cur_x<e->x && b->cur_pos<b->len) {
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#ifdef USE_FONTSETS
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l=mbrlen(b->buf+b->cur_pos, b->len-b->cur_pos, NULL);
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if(l<=0)
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break;
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w=XmbTextEscapement(b->dri->dri_FontSet, b->buf+b->cur_pos, l);
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#else
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w=XTextWidth(b->dri->dri_Font, b->buf+b->cur_pos, 1);
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#endif
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if(b->cur_x+w>e->x)
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break;
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b->cur_x+=w;
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b->cur_pos+=l;
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}
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}
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#if 0
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void strbutton(XButtonEvent *e)
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{
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refresh_str();
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}
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#endif
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void
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gadget_textinput_selected(struct gadget_textinput *b, int selected)
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{
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b->selected = selected;
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}
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int
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gadget_textinput_crlf(struct gadget_textinput *b)
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{
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return (b->crlf);
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}
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