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#include "window.h"
#include "files.h"
#define FITMAX 1000
#define BHEIGHT 18 // button height
#define ITDISP 20 // max of displayed items in selectors
// Umlaute are only recognized in global strings !!
static char *sampdef = "abdefgiujklmkqrstuvwxyABC";
char *sampstr = sampdef;
class font_selection_box : public main_window {
public:
char *fname;
char **fitems;
int fits;
private:
edit_window *mask_ed;
file_display *fdsp;
selector *fsel;
button *okb, *abortb, *chb, *imtgl;
window *fntw; // window to display sample
XFontStruct *fnt; // the loaded Xfont
Bool immediate; // change display when the mouse is moved
public:
void bpress_cb(char *val) {
fname = val; fdsp->set_val(val);
fnt = XLoadQueryFont(display,fname);
fntw->clear();
if (fnt) fntw->PlaceText(sampstr,0,0,fnt);
}
void move_cb(char *val) { // called from moving selections
if (immediate) bpress_cb(val); //
}
void ok() {
if (fnt) exit_flag = True; else printf("error loading font %s\n",fname);
}
void chmask() { // callback for change mask
make_select(mask_ed->value);
}
// searches pwd for matching files and displays them in fsel
void make_select(char *mask) {
fitems = XListFonts(display,mask,FITMAX, &fits);
// for (int i=0; i<fits; i++) printf("%s\n",fitems[i]);
fsel->set_items(fitems, fits);
int ffits = MIN(fits,ITDISP);
int wh = ffits * BHEIGHT + 6;
XResizeWindow(display,Win,width, wh+160);
fsel->resize(width, ffits*BHEIGHT + 6);
// printf("window %d %d\n",Win,wh+110);
}
int xl,ww;
font_selection_box();
void resize(int w, int h) {
if (width == w && height == h) return; // only once
// printf("resize %x -> %d %d\n",Win,w,h);
width = w; height = h; ww = width - 2*xl;
XMoveWindow(display,fntw->Win,xl,height-80);
int by = height - 25, bw = ww - 4*50, dx = 50 + bw/3;
// distribute 4 buttons of width 50 on ww
XMoveWindow(display,okb->Win,xl,by);
XMoveWindow(display,chb->Win,xl+dx,by);
XMoveWindow(display,abortb->Win,xl+2*dx,by);
XMoveWindow(display,imtgl->Win,xl+3*dx,by);
}
~font_selection_box() { }
// calls main_loop, returns selected fontname and opened font
XFontStruct *font_input_loop(char *defname) {
strcpy(mask_ed->value, defname);
// getcwd(pwd,100);
fdsp->val = defname;
fname = NULL;
make_select(mask_ed->value);
main_loop();
printf("%s\n",fname);
return fnt;
}
};
static void fsb_make_select(font_selection_box *f,char *cp) { f->make_select(cp); }
static void fsb_move_cb(font_selection_box *f,char *cp) { f->move_cb(cp); }
static void fsb_bpress_cb(font_selection_box *f,char *cp) { f->bpress_cb(cp); }
font_selection_box::font_selection_box() :
main_window("font selection box",500,1) { // height is set in make_select
char empty = 0; fname = ∅
xl = 10; ww = width-2*xl;
fdsp = new file_display(*this,ww,20,xl,10);
new text_win(*this,"selection mask",ww,20,xl,30);
mask_ed = new mask_edit(*this, (VPCP) &fsb_make_select, this,ww,20,xl,50);
// font selector
fsel = new selector(*this, ITDISP, (VPCP) &fsb_move_cb, (VPCP) &fsb_bpress_cb,
ww,200,xl,80,BHEIGHT);
okb = new instance_button <font_selection_box>
(*this,"Ok",&font_selection_box::ok,this,50,20,0,0);
chb = new instance_button <font_selection_box>
(*this,"Mask",&font_selection_box::chmask,this,50,20,0,0);
abortb =
new variable_button <int> (*this,"Abort",&exit_flag,True,50,20,0,0);
imtgl = new toggle_button(*this,"immed",&immediate,50,20,0,0);
fntw = new window(*this,ww,50,0,0);
immediate = True;
}
XFontStruct *xfont_select(char *mask = "-*-*-*-*-*-*-*-*-*-*-*-*-*-*") {
font_selection_box *fsb = new font_selection_box();
// returns the selected XFontStruct
XFontStruct *fnt = fsb->font_input_loop(mask);
delete fsb;
return fnt;
}
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