ref: 3b70917596e5536fb49d87097c8d80259cf552e8
parent: a037d9d936d8e2e75a7d951d02784f6ea472e1cc
author: phil9 <telephil9@gmail.com>
date: Mon Dec 26 05:07:16 EST 2022
add alert dialog and use it to report errors design could be improved :/
--- a/a.h
+++ b/a.h
@@ -137,6 +137,8 @@
int match(char*, char*);
+void alert(const char*, const char*, const char*, Mousectl*, Keyboardctl*);
+
Rectangle boundsrect(Rectangle);
Image* ealloccolor(ulong);
void* emalloc(ulong);
@@ -161,6 +163,7 @@
Ctitle,
Cborder,
Csel,
+ Cdialog,
Ncols
};
extern Image* cols[Ncols];
--- /dev/null
+++ b/alert.c
@@ -1,0 +1,96 @@
+#include "a.h"
+
+enum { Padding = 8, };+
+static
+int
+max(int a, int b)
+{+ return a>b ? a : b;
+}
+
+void
+alert(const char *title, const char *message, const char *err, Mousectl *mctl, Keyboardctl *kctl)
+{+ Alt alts[3];
+ Rectangle r, sc;
+ Point o, p;
+ Image *b, *save, *bg, *fg;
+ int done, h, w, tw, mw, ew;
+ Mouse m;
+ Rune k;
+
+ alts[0].op = CHANRCV;
+ alts[0].c = mctl->c;
+ alts[0].v = &m;
+ alts[1].op = CHANRCV;
+ alts[1].c = kctl->c;
+ alts[1].v = &k;
+ alts[2].op = CHANEND;
+ alts[2].c = nil;
+ alts[2].v = nil;
+ while(nbrecv(kctl->c, nil)==1)
+ ;
+ bg = cols[Cdialog];
+ fg = cols[Cfg];
+ done = 0;
+ save = nil;
+ h = Padding+2*font->height+Padding;
+ if(err != nil)
+ h += font->height;
+ tw = stringwidth(font, title);
+ mw = stringwidth(font, message);
+ ew = err != nil ? stringwidth(font, err) : 0;
+ w = Padding+max(tw, max(mw, ew))+Padding;
+ b = screen;
+ sc = b->clipr;
+ replclipr(b, 0, b->r);
+ while(!done){+ o = addpt(screen->r.min, Pt((Dx(screen->r)-w)/2, (Dy(screen->r)-h)/2));
+ r = Rect(o.x, o.y, o.x+w, o.y+h);
+ if(save==nil){+ save = allocimage(display, r, b->chan, 0, DNofill);
+ if(save==nil)
+ break;
+ draw(save, r, b, nil, r.min);
+ }
+ draw(b, r, bg, nil, ZP);
+ border(b, r, 3, fg, ZP);
+ p = addpt(o, Pt(Padding, Padding));
+ string(b, p, fg, ZP, font, title);
+ p.y += font->height;
+ string(b, p, fg, ZP, font, message);
+ if(err != nil){+ p.x = o.x + Padding;
+ p.y += font->height;
+ string(b, p, fg, ZP, font, err);
+ }
+ flushimage(display, 1);
+ if(b!=screen || !eqrect(screen->clipr, sc)){+ freeimage(save);
+ save = nil;
+ }
+ b = screen;
+ sc = b->clipr;
+ replclipr(b, 0, b->r);
+ switch(alt(alts)){+ default:
+ continue;
+ break;
+ case 1:
+ done = (k=='\n' || k==Kesc);
+ break;
+ case 0:
+ done = m.buttons&1 && ptinrect(m.xy, r);
+ break;
+ }
+ if(save){+ draw(b, save->r, save, nil, save->r.min);
+ freeimage(save);
+ save = nil;
+ }
+
+ }
+ replclipr(b, 0, sc);
+ flushimage(display, 1);
+}
--- a/dirviewcmd.c
+++ b/dirviewcmd.c
@@ -58,12 +58,16 @@
{Dirpanel *p;
Dir d, null;
- char opath[1024] = {0}, buf[255] = {0};+ char errbuf[ERRMAX], opath[1024] = {0}, buf[255] = {0};int n;
p = dirviewcurrentpanel(dview);
if(strcmp(p->model->path, dirviewotherpanel(dview)->model->path) == 0){d = dirmodelgetdir(p->model, dirpanelselectedindex(p));
+ if(d.qid.type&QTDIR){+ alert("Error", "Cannot rename directories.", nil, mc, kc);+ return;
+ }
snprint(buf, sizeof buf, d.name);
if((n = enter("rename:", buf, sizeof buf, mc, kc, nil)) <= 0)return;
@@ -72,9 +76,10 @@
snprint(opath, sizeof opath, "%s/%s", p->model->path, d.name);
nulldir(&null);
null.name = buf;
- if(dirwstat(opath, &null) < 0)
- fprint(2, "rename failed: %r\n");
- else{+ if(dirwstat(opath, &null) < 0){+ errstr(errbuf, ERRMAX-1);
+ alert("Error", "Rename failed", errbuf, mc, kc);+ }else{dirmodelreload(p->model);
dirmodelreload(dirviewotherpanel(dview)->model);
}
--- a/main.c
+++ b/main.c
@@ -21,6 +21,7 @@
cols[Ctitle] = ealloccolor(DGreygreen);
cols[Cborder] = ealloccolor(0xAAAAAAFF);
cols[Csel] = ealloccolor(0xCCCCCCFF);
+ cols[Cdialog] = ealloccolor(0xF4F4F4FF);
}
void
--- a/mkfile
+++ b/mkfile
@@ -12,6 +12,7 @@
dirpanel.$O \
viewercmd.$O \
text.$O \
+ alert.$O \
glob.$O \
utils.$O