403 lines
9.3 KiB
C
403 lines
9.3 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/* use button 3 for a proper function to the application, that is not for plumber
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* as default control(2) supposes.
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* codes are mostly from /sys/src/libcontrol/textbutton.c
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*/
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#include <u.h>
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#include <lib9.h>
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#include <draw.h>
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#include <thread.h>
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#include <mouse.h>
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#include <keyboard.h>
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#include <control.h>
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typedef struct Textbutton3 Textbutton3;
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struct Textbutton3
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{
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Control;
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CFont *font;
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CImage *image;
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CImage *mask;
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CImage *light;
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CImage *bordercolor;
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CImage *textcolor;
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CImage *pressedtextcolor;
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int pressed;
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int lastbut;
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int lastshow;
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char **line;
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int nline;
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int align;
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int border;
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int left;
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int middle;
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int right;
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int toggle;
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int gettextflg;
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};
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enum{
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EAlign,
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EBorder,
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EBordercolor,
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EFocus,
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EFont,
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EFormat,
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EHide,
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EImage,
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ELight,
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EMask,
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EPressedtextcolor,
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ERect,
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EReveal,
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EShow,
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ESize,
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EText,
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ETextcolor,
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EEnable,
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EDisable,
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EToggle,
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EGettext,
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EValue,
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};
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static char *cmds[] = {
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[EAlign] = "align",
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[EBorder] = "border",
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[EBordercolor] = "bordercolor",
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[EFocus] = "focus",
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[EFont] = "font",
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[EFormat] = "format",
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[EHide] = "hide",
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[EImage] = "image",
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[ELight] = "light",
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[EMask] = "mask",
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[EPressedtextcolor] ="pressedtextcolor",
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[ERect] = "rect",
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[EReveal] = "reveal",
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[EShow] = "show",
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[ESize] = "size",
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[EText] = "text",
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[ETextcolor] = "textcolor",
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[EEnable] = "enable",
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[EDisable] = "disable",
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[EToggle] = "toggle",
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[EGettext] = "gettext",
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[EValue] = "value",
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nil
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};
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static void textbutton3show(Textbutton3 *);
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static void
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textbutton3mouse(Control *c, Mouse *m)
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{
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Textbutton3 *t;
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t = (Textbutton3 *)c;
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if(t->left == 1) {
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if((m->buttons&1) == 1 && (t->lastbut&1) == 0){
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t->pressed ^= 1;
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textbutton3show(t);
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t->lastbut = m->buttons & 1;
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}else if((m->buttons&1) == 0 && (t->lastbut&1) == 1){
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if(t->gettextflg == 0)
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chanprint(t->event, t->format, t->name, t->pressed, m->xy.x, m->xy.y);
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else
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chanprint(t->event, "%q: value %q", t->name, t->line[0]);
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t->pressed ^= 1;
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textbutton3show(t);
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t->lastbut = m->buttons & 1;
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}
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}
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if(t->middle == 1) {
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if((m->buttons&2) == 2 && (t->lastbut&2) == 0){
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t->pressed ^= 2;
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textbutton3show(t);
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t->lastbut = m->buttons & 2;
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}else if((m->buttons&2) == 0 && (t->lastbut&2) == 2){
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if(t->gettextflg == 0)
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chanprint(t->event, t->format, t->name, t->pressed, m->xy.x, m->xy.y);
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else
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chanprint(t->event, "%q: value %q", t->name, t->line[0]);
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t->pressed ^= 2;
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textbutton3show(t);
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t->lastbut = m->buttons & 2;
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}
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}
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if(t->right == 1) {
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if((m->buttons&4) == 4 && (t->lastbut&4) == 0){
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t->pressed ^= 4;
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textbutton3show(t);
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t->lastbut = m->buttons & 4;
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}else if((m->buttons&4) == 0 && (t->lastbut&4) == 4){
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if(t->gettextflg == 0)
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chanprint(t->event, t->format, t->name, t->pressed, m->xy.x, m->xy.y);
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else
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chanprint(t->event, "%q: value %q", t->name, t->line[0]);
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t->pressed ^= 4;
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textbutton3show(t);
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t->lastbut = m->buttons & 4;
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}
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}
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}
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static void
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textbutton3free(Control *c)
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{
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int i;
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Textbutton3 *t;
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t = (Textbutton3*)c;
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_putctlfont(t->font);
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_putctlimage(t->image);
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_putctlimage(t->light);
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_putctlimage(t->mask);
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_putctlimage(t->textcolor);
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_putctlimage(t->bordercolor);
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_putctlimage(t->pressedtextcolor);
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for(i=0; i<t->nline; i++)
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free(t->line[i]);
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free(t->line);
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}
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static void
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textbutton3show(Textbutton3 *t)
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{
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Rectangle r, clipr;
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int i, dx, dy, w;
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Font *f;
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Point p, q;
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Image *im;
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if(t->hidden || t->lastshow == t->pressed)
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return;
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f = t->font->font;
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draw(t->screen, t->rect, t->image->image, nil, t->image->image->r.min);
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if(t->pressed || t->toggle)
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draw(t->screen, t->rect, t->light->image, t->mask->image, t->mask->image->r.min);
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if(t->border > 0)
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border(t->screen, t->rect, t->border, t->bordercolor->image, ZP);
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/* text goes here */
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dx = 0;
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for(i=0; i<t->nline; i++){
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w = stringwidth(f, t->line[i]); /*****/
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if(dx < w)
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dx = w;
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}
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dy = t->nline*f->height;
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clipr = insetrect(t->rect, t->border);
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p = _ctlalignpoint(clipr, dx, dy, t->align);
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im = t->textcolor->image;
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if(t->pressed)
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im = t->pressedtextcolor->image;
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for(i=0; i<t->nline; i++){
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r.min = p;
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r.max.x = p.x+dx;
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r.max.y = p.y+f->height;
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q = _ctlalignpoint(r, stringwidth(f, t->line[i]), f->height, t->align%3);
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_string(t->screen, q, im,
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ZP, f, t->line[i], nil, strlen(t->line[i]),
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clipr, nil, ZP, SoverD);
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p.y += f->height;
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}
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t->lastshow = t->pressed;
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flushimage(display, 1);
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}
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static void
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textbutton3ctl(Control *c, CParse *cp)
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{
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int cmd, i;
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Rectangle r;
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Textbutton3 *t;
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t = (Textbutton3*)c;
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cmd = _ctllookup(cp->args[0], cmds, nelem(cmds));
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switch(cmd){
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default:
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ctlerror("%q: unrecognized message '%s'", t->name, cp->str);
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break;
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case EAlign:
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_ctlargcount(t, cp, 2);
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t->align = _ctlalignment(cp->args[1]);
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t->lastshow = -1; /* force redraw */
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break;
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case EBorder:
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_ctlargcount(t, cp, 2);
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t->border = cp->iargs[1];
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t->lastshow = -1; /* force redraw */
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break;
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case EBordercolor:
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_ctlargcount(t, cp, 2);
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_setctlimage(t, &t->bordercolor, cp->args[1]);
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t->lastshow = -1; /* force redraw */
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break;
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case EFocus:
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break;
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case EFont:
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_ctlargcount(t, cp, 2);
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_setctlfont(t, &t->font, cp->args[1]);
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t->lastshow = -1; /* force redraw */
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break;
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case EFormat:
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_ctlargcount(t, cp, 2);
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t->format = ctlstrdup(cp->args[1]);
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break;
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case EHide:
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_ctlargcount(t, cp, 1);
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t->hidden = 1;
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break;
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case EImage:
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_ctlargcount(t, cp, 2);
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_setctlimage(t, &t->image, cp->args[1]);
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t->lastshow = -1; /* force redraw */
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break;
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case ELight:
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_ctlargcount(t, cp, 2);
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_setctlimage(t, &t->light, cp->args[1]);
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t->lastshow = -1; /* force redraw */
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break;
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case EMask:
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_ctlargcount(t, cp, 2);
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_setctlimage(t, &t->mask, cp->args[1]);
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t->lastshow = -1; /* force redraw */
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break;
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case EPressedtextcolor:
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_ctlargcount(t, cp, 2);
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_setctlimage(t, &t->pressedtextcolor, cp->args[1]);
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t->lastshow = -1; /* force redraw */
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break;
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case ERect:
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_ctlargcount(t, cp, 5);
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r.min.x = cp->iargs[1];
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r.min.y = cp->iargs[2];
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r.max.x = cp->iargs[3];
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r.max.y = cp->iargs[4];
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if(Dx(r)<=0 || Dy(r)<=0)
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ctlerror("%q: bad rectangle: %s", t->name, cp->str);
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t->rect = r;
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t->lastshow = -1; /* force redraw */
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break;
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case EReveal:
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_ctlargcount(t, cp, 1);
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t->hidden = 0;
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t->lastshow = -1; /* force redraw */
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textbutton3show(t);
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break;
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case EShow:
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_ctlargcount(t, cp, 1);
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t->lastshow = -1; /* force redraw */
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textbutton3show(t);
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break;
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case ESize:
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if (cp->nargs == 3)
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r.max = Pt(0x7fffffff, 0x7fffffff);
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else{
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_ctlargcount(t, cp, 5);
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r.max.x = cp->iargs[3];
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r.max.y = cp->iargs[4];
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}
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r.min.x = cp->iargs[1];
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r.min.y = cp->iargs[2];
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if(r.min.x<=0 || r.min.y<=0 || r.max.x<=0 || r.max.y<=0 || r.max.x < r.min.x || r.max.y < r.min.y)
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ctlerror("%q: bad sizes: %s", t->name, cp->str);
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t->size.min = r.min;
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t->size.max = r.max;
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break;
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case EText:
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/* free existing text */
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for(i=0; i<t->nline; i++)
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free(t->line[i]);
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t->nline = cp->nargs-1;
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t->line = ctlrealloc(t->line, t->nline*sizeof(char*));
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for(i=0; i<t->nline; i++)
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t->line[i] = ctlstrdup(cp->args[i+1]);
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t->lastshow = -1; /* force redraw */
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textbutton3show(t);
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break;
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case ETextcolor:
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_ctlargcount(t, cp, 2);
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_setctlimage(t, &t->textcolor, cp->args[1]);
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t->lastshow = -1; /* force redraw */
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break;
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case EEnable:
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_ctlargcount(t, cp, 2);
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if(strcmp(cp->args[1], "left") == 0)
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t->left = 1;
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else if(strcmp(cp->args[1], "middle") == 0)
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t->middle = 1;
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else if(strcmp(cp->args[1], "right") == 0)
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t->right = 1;
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break;
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case EDisable:
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_ctlargcount(t, cp, 2);
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if(strcmp(cp->args[1], "left") == 0)
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t->left = 0;
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else if(strcmp(cp->args[1], "middle") == 0)
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t->middle = 0;
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else if(strcmp(cp->args[1], "right") == 0)
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t->right = 0;
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break;
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case EToggle:
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_ctlargcount(t, cp, 2);
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if(strcmp(cp->args[1], "on") == 0)
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t->toggle = 1;
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else if(strcmp(cp->args[1], "off") == 0)
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t->toggle = 0;
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t->lastshow = -1; /* force redraw */
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break;
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case EGettext:
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_ctlargcount(t, cp, 2);
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if(strcmp(cp->args[1], "on") == 0)
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t->gettextflg = 1;
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else if(strcmp(cp->args[1], "off") == 0)
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t->gettextflg = 0;
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break;
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case EValue:
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_ctlargcount(t, cp, 2);
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if((cp->iargs[1]!=0) != t->pressed){
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t->pressed ^= 1;
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textbutton3show(t);
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}
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break;
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}
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}
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Control*
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createtextbutton3(Controlset *cs, char *name)
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{
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Textbutton3 *t;
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t = (Textbutton3 *)_createctl(cs, "textbutton3", sizeof(Textbutton3), name);
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t->line = ctlmalloc(sizeof(char*));
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t->nline = 0;
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t->image = _getctlimage("white");
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t->light = _getctlimage("yellow");
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t->mask = _getctlimage("opaque");
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t->bordercolor = _getctlimage("black");
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t->textcolor = _getctlimage("black");
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t->pressedtextcolor = _getctlimage("black");
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t->font = _getctlfont("font");
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t->format = ctlstrdup("%q: value %d %d %d");
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t->lastshow = -1;
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t->mouse = textbutton3mouse;
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t->ctl = textbutton3ctl;
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t->exit = textbutton3free;
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t->left = 1;
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t->middle = 1;
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t->right = 1;
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t->toggle = 0;
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t->gettextflg = 0;
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return (Control *)t;
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}
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