/usr/share/doc/xviewg/examples/textsw/textsw.font.c is in xview-examples 3.2p1.4-28.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | /*
* textsw.font.c --display a text subwindow and allow the user to edit
* it. Panel items allow the user to change the font (family, style and
* size) of the textsw.
*/
#include <xview/xview.h>
#include <xview/panel.h>
#include <xview/textsw.h>
#include <xview/font.h>
Panel_item family_item, style_item, scale_item, name_item;
Textsw textsw;
main(argc, argv)
int argc;
char *argv[];
{
Frame frame;
Panel panel;
Xv_Font font;
void change_font();
int change_font_by_name();
extern void exit();
xv_init(XV_INIT_ARGC_PTR_ARGV, &argc, argv, NULL);
frame = (Frame)xv_create(XV_NULL, FRAME,
FRAME_LABEL, argv[0],
FRAME_SHOW_FOOTER, TRUE,
NULL);
panel = (Panel)xv_create(frame, PANEL,
PANEL_LAYOUT, PANEL_VERTICAL,
NULL);
(void) xv_create(panel, PANEL_BUTTON,
PANEL_LABEL_STRING, "Quit",
PANEL_NOTIFY_PROC, exit,
NULL);
family_item = (Panel_item)xv_create(panel, PANEL_CHOICE,
PANEL_LABEL_STRING, "Family",
PANEL_LAYOUT, PANEL_HORIZONTAL,
PANEL_DISPLAY_LEVEL, PANEL_CURRENT,
PANEL_CHOICE_STRINGS,
FONT_FAMILY_DEFAULT, FONT_FAMILY_DEFAULT_FIXEDWIDTH,
FONT_FAMILY_LUCIDA, FONT_FAMILY_LUCIDA_FIXEDWIDTH,
FONT_FAMILY_ROMAN, FONT_FAMILY_SERIF, FONT_FAMILY_COUR,
FONT_FAMILY_CMR, FONT_FAMILY_GALLENT,
NULL,
PANEL_NOTIFY_PROC, change_font,
NULL);
style_item = (Panel_item)xv_create(panel, PANEL_CHOICE,
PANEL_LABEL_STRING, "Style",
PANEL_LAYOUT, PANEL_HORIZONTAL,
PANEL_DISPLAY_LEVEL, PANEL_CURRENT,
PANEL_CHOICE_STRINGS,
FONT_STYLE_DEFAULT, FONT_STYLE_NORMAL, FONT_STYLE_BOLD,
FONT_STYLE_ITALIC, FONT_STYLE_BOLD_ITALIC, NULL,
PANEL_NOTIFY_PROC, change_font,
NULL);
scale_item = (Panel_item)xv_create(panel, PANEL_CHOICE,
PANEL_LABEL_STRING, "Scale",
PANEL_LAYOUT, PANEL_HORIZONTAL,
PANEL_DISPLAY_LEVEL, PANEL_CURRENT,
PANEL_CHOICE_STRINGS,
"Small", "Medium", "Large", "X-Large", NULL,
PANEL_NOTIFY_PROC, change_font,
PANEL_VALUE, 1,
PANEL_DEFAULT_VALUE, 1,
NULL);
name_item = (Panel_item)xv_create(panel, PANEL_TEXT,
PANEL_LABEL_STRING, "Font Name:",
PANEL_LAYOUT, PANEL_HORIZONTAL,
PANEL_VALUE_DISPLAY_LENGTH, 20,
PANEL_NOTIFY_PROC, change_font_by_name,
NULL);
window_fit(panel);
textsw = (Textsw)xv_create(frame, TEXTSW,
WIN_ROWS, 20,
WIN_COLUMNS, 80,
NULL);
window_fit(frame);
font = (Xv_Font)xv_get(frame, XV_FONT);
xv_set(textsw, WIN_FONT, font, NULL);
xv_set(frame, FRAME_LEFT_FOOTER, xv_get(font, FONT_NAME), NULL);
xv_main_loop(frame);
}
void
change_font(item, value, event)
Panel_item item;
Event *event;
{
static int family, style, scale;
char buf[128];
Frame frame;
char *family_name;
char *style_name;
int scale_value;
Xv_Font font;
frame = (Frame)xv_get(xv_get(item, PANEL_PARENT_PANEL), XV_OWNER);
family_name = (char *) xv_get(family_item, PANEL_CHOICE_STRING,
xv_get(family_item, PANEL_VALUE));
style_name = (char *) xv_get(style_item, PANEL_CHOICE_STRING,
xv_get(style_item, PANEL_VALUE));
scale_value = (int) xv_get(scale_item, PANEL_VALUE);
xv_set(frame, FRAME_BUSY, TRUE, NULL);
font = (Xv_Font)xv_find(frame, FONT,
FONT_FAMILY, family_name,
FONT_STYLE, style_name,
/* scale_value happens to coincide with Window_rescale_state values */
FONT_SCALE, scale_value,
NULL);
xv_set(frame, FRAME_BUSY, FALSE, NULL);
if (!font) {
if (item == family_item) {
sprintf(buf, "cannot load '%s'", family_name);
xv_set(family_item, PANEL_VALUE, family, NULL);
} else if (item == style_item) {
sprintf(buf, "cannot load '%s'", style_name);
xv_set(style_item, PANEL_VALUE, style, NULL);
} else {
sprintf(buf, "Not available in %s scale.",
xv_get(scale_item, PANEL_CHOICE_STRING, scale));
xv_set(scale_item, PANEL_VALUE, scale, NULL);
}
xv_set(frame, FRAME_RIGHT_FOOTER, buf, NULL);
return;
}
if (item == family_item)
family = value;
else if (item == style_item)
style = value;
else
scale = value;
xv_set(textsw, WIN_FONT, font, NULL);
sprintf(buf, "Current font: %s", xv_get(font, FONT_NAME));
xv_set(frame, FRAME_LEFT_FOOTER, buf, NULL);
}
change_font_by_name(item, event)
Panel_item item;
Event *event;
{
char buf[128];
char *name = (char *)xv_get(item, PANEL_VALUE);
Frame frame = (Frame)xv_get(xv_get(item, PANEL_PARENT_PANEL), XV_OWNER);
Xv_Font font = (Xv_Font)xv_find(frame, FONT,
FONT_NAME, name,
NULL);
if (!font) {
sprintf(buf, "cannot load '%s'", name);
xv_set(frame, FRAME_RIGHT_FOOTER, buf, NULL);
return PANEL_NONE;
}
xv_set(textsw, WIN_FONT, font, NULL);
sprintf(buf, "Current font: %s", xv_get(font, FONT_NAME));
xv_set(frame, FRAME_LEFT_FOOTER, buf, NULL);
return PANEL_NONE;
}
|