mod_query/wmessage.c

   1 /*
   2  * ion/mod_query/wmessage.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <string.h>
  10
  11 #include <libtu/objp.h>
  12 #include <ioncore/common.h>
  13 #include <ioncore/strings.h>
  14 #include <ioncore/global.h>
  15 #include <ioncore/event.h>
  16 #include <ioncore/gr-util.h>
  17 #include <ioncore/sizehint.h>
  18 #include <ioncore/resize.h>
  19 #include "wmessage.h"
  20 #include "inputp.h"
  21
  22
  23 #define WMSG_BRUSH(WMSG) ((WMSG)->input.brush)
  24 #define WMSG_WIN(WMSG) ((WMSG)->input.win.win)
  25
  26
  27 /*{{{ Sizecalc */
  28
  29
  30 static void get_geom(WMessage *wmsg, bool max, WRectangle *geom)
  31 {
  32     if(max){
  33         geom->w=wmsg->input.last_fp.g.w;
  34         geom->h=wmsg->input.last_fp.g.h;
  35     }else{
  36         geom->w=REGION_GEOM(wmsg).w;
  37         geom->h=REGION_GEOM(wmsg).h;
  38     }
  39     geom->x=0;
  40     geom->y=0;
  41 }
  42
  43
  44 static void wmsg_calc_size(WMessage *wmsg, WRectangle *geom)
  45 {
  46     WRectangle max_geom=*geom;
  47     GrBorderWidths bdw;
  48     int h=16;
  49
  50     if(WMSG_BRUSH(wmsg)!=NULL){
  51         WRectangle g;
  52         g.w=max_geom.w;
  53         g.h=max_geom.h;
  54         g.x=0;
  55         g.y=0;
  56
  57         fit_listing(WMSG_BRUSH(wmsg), &g, &(wmsg->listing));
  58
  59         grbrush_get_border_widths(WMSG_BRUSH(wmsg), &bdw);
  60
  61         h=bdw.top+bdw.bottom+wmsg->listing.toth;
  62     }
  63
  64     if(h>max_geom.h || !(wmsg->input.last_fp.mode&REGION_FIT_BOUNDS))
  65         h=max_geom.h;
  66
  67     geom->h=h;
  68     geom->w=max_geom.w;
  69     geom->y=max_geom.y+max_geom.h-geom->h;
  70     geom->x=max_geom.x;
  71 }
  72
  73
  74 void wmsg_size_hints(WMessage *wmsg, WSizeHints *hints_ret)
  75 {
  76     int w=1, h=1;
  77
  78     if(WMSG_BRUSH(wmsg)!=NULL){
  79         mod_query_get_minimum_extents(WMSG_BRUSH(wmsg), FALSE, &w, &h);
  80
  81         w+=grbrush_get_text_width(WMSG_BRUSH(wmsg), "xxxxx", 5);
  82     }
  83
  84     hints_ret->min_set=TRUE;
  85     hints_ret->min_width=w;
  86     hints_ret->min_height=h;
  87 }
  88
  89
  90 /*}}}*/
  91
  92
  93 /*{{{ Draw */
  94
  95
  96 GR_DEFATTR(active);
  97 GR_DEFATTR(inactive);
  98
  99
 100 static void init_attr()
 101 {
 102     GR_ALLOCATTR_BEGIN;
 103     GR_ALLOCATTR(active);
 104     GR_ALLOCATTR(inactive);
 105     GR_ALLOCATTR_END;
 106 }
 107
 108
 109 static void wmsg_draw(WMessage *wmsg, bool complete)
 110 {
 111     WRectangle geom;
 112
 113     if(WMSG_BRUSH(wmsg)==NULL)
 114         return;
 115
 116     get_geom(wmsg, FALSE, &geom);
 117
 118     grbrush_begin(WMSG_BRUSH(wmsg), &geom,
 119                   (complete ? 0 : GRBRUSH_NO_CLEAR_OK));
 120
 121     grbrush_set_attr(WMSG_BRUSH(wmsg), REGION_IS_ACTIVE(wmsg)
 122                                        ? GR_ATTR(active)
 123                                        : GR_ATTR(inactive));
 124
 125     draw_listing(WMSG_BRUSH(wmsg), &geom, &(wmsg->listing),
 126                  FALSE, GRATTR_NONE);
 127
 128     grbrush_end(WMSG_BRUSH(wmsg));
 129 }
 130
 131
 132 /*}}}*/
 133
 134
 135 /*{{{ Scroll */
 136
 137
 138 static void wmsg_scrollup(WMessage *wmsg)
 139 {
 140     if(scrollup_listing(&(wmsg->listing)))
 141         wmsg_draw(wmsg, TRUE);
 142 }
 143
 144
 145 static void wmsg_scrolldown(WMessage *wmsg)
 146 {
 147     if(scrolldown_listing(&(wmsg->listing)))
 148         wmsg_draw(wmsg, TRUE);
 149 }
 150
 151
 152 /*}}}*/
 153
 154
 155 /*{{{ Init, deinit draw config update */
 156
 157
 158 static bool wmsg_init(WMessage *wmsg, WWindow *par, const WFitParams *fp,
 159                       const char *msg)
 160 {
 161     char **ptr;
 162     int k, n=0;
 163     char *cmsg;
 164     const char *p;
 165     size_t l;
 166
 167     p=msg;
 168     while(1){
 169         n=n+1;
 170         p=strchr(p, '\n');
 171         if(p==NULL || *(p+1)=='\0')
 172             break;
 173         p=p+1;
 174     }
 175
 176     if(n==0)
 177         return FALSE;
 178
 179     ptr=ALLOC_N(char*, n);
 180
 181     if(ptr==NULL)
 182         return FALSE;
 183
 184     for(k=0; k<n; k++)
 185         ptr[k]=NULL;
 186
 187     p=msg;
 188     k=0;
 189     while(k<n){
 190         l=strcspn(p, "\n");
 191         cmsg=ALLOC_N(char, l+1);
 192         if(cmsg==NULL){
 193             while(k>0){
 194                 k--;
 195                 free(ptr[k]);
 196             }
 197             free(ptr);
 198             return FALSE;
 199         }
 200         strncpy(cmsg, p, l);
 201         cmsg[l]='\0';
 202         ptr[k]=cmsg;
 203         k++;
 204         if(p[l]=='\0')
 205             break;
 206         p=p+l+1;
 207     }
 208
 209     init_attr();
 210
 211     init_listing(&(wmsg->listing));
 212     setup_listing(&(wmsg->listing), ptr, k, TRUE);
 213
 214     if(!input_init((WInput*)wmsg, par, fp)){
 215         deinit_listing(&(wmsg->listing));
 216         return FALSE;
 217     }
 218
 219     return TRUE;
 220 }
 221
 222
 223 WMessage *create_wmsg(WWindow *par, const WFitParams *fp, const char *msg)
 224 {
 225     CREATEOBJ_IMPL(WMessage, wmsg, (p, par, fp, msg));
 226 }
 227
 228
 229 static void wmsg_deinit(WMessage *wmsg)
 230 {
 231     if(wmsg->listing.strs!=NULL)
 232         deinit_listing(&(wmsg->listing));
 233
 234     input_deinit((WInput*)wmsg);
 235 }
 236
 237
 238 static const char *wmsg_style(WMessage *wmsg)
 239 {
 240     return "input-message";
 241 }
 242
 243
 244 /*}}}*/
 245
 246
 247 /*{{{ Dynamic function table and class implementation */
 248
 249
 250 static DynFunTab wmsg_dynfuntab[]={
 251     {window_draw, wmsg_draw},
 252     {input_calc_size, wmsg_calc_size},
 253     {input_scrollup, wmsg_scrollup},
 254     {input_scrolldown, wmsg_scrolldown},
 255     {(DynFun*)input_style, (DynFun*)wmsg_style},
 256     {region_size_hints, wmsg_size_hints},
 257     END_DYNFUNTAB
 258 };
 259
 260
 261 EXTL_EXPORT
 262 IMPLCLASS(WMessage, WInput, wmsg_deinit, wmsg_dynfuntab);
 263
 264
 265 /*}}}*/