Miroirs/x49gp
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Fix missing button labels on 64bit by adding missing va_copy().

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Eddie C. Dost 2017-10-25 22:50:39 +02:00
parent 169188137e
commit b87dfbd081
3 changed files with 14 additions and 22 deletions
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12
README.md
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@ -126,18 +126,6 @@ Run:
------------------------------------------------------------------------
Where's the key labels?
Good question. This is a bug when compiled for 64-bit platforms.
Hack:
```
cp hp50g-hack.png hp50g.png
```
------------------------------------------------------------------------
Do stuff, e.g.:
Restore backup:

BIN
hp50g-hack.png
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24
ui.c
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@ -1077,7 +1077,7 @@ x49gp_ui_text_size(cairo_t *cr, const char *family, double size,
double *ascent, double *descent,
int n, ...)
{
va_list ap;
va_list ap0, ap1;
cairo_font_extents_t font_extents;
cairo_font_weight_t weight;
cairo_font_slant_t slant;
@ -1088,9 +1088,12 @@ x49gp_ui_text_size(cairo_t *cr, const char *family, double size,
if (n < 1)
return;
va_start(ap, n);
va_start(ap0, n);
va_copy(ap1, ap0);
x49gp_ui_vtext_path(cr, family, size, 0.0, 0.0, n, ap);
x49gp_ui_vtext_path(cr, family, size, 0.0, 0.0, n, ap0);
va_end(ap0);
cairo_fill_extents(cr, &x1, &y1, &x2, &y2);
@ -1101,9 +1104,10 @@ x49gp_ui_text_size(cairo_t *cr, const char *family, double size,
d = 0.0;
for (i = 0; i < n; i++) {
slant = va_arg(ap, cairo_font_slant_t);
weight = va_arg(ap, cairo_font_weight_t);
text = va_arg(ap, const char *);
slant = va_arg(ap1, cairo_font_slant_t);
weight = va_arg(ap1, cairo_font_weight_t);
text = va_arg(ap1, const char *);
(void) text;
cairo_select_font_face(cr, family, slant, weight);
cairo_set_font_size(cr, size);
@ -1127,7 +1131,7 @@ x49gp_ui_text_size(cairo_t *cr, const char *family, double size,
*ascent = a;
*descent = d;
va_end(ap);
va_end(ap1);
}
static void
@ -1467,7 +1471,7 @@ x49gp_ui_button_press(GtkWidget *widget, GdkEventButton *event,
x49gp_t *x49gp = button->x49gp;
#ifdef DEBUG_X49GP_UI
fprintf(stderr, "%s:%u: type %u, button %u\n", __FUNCTION__, __LINE__, event->type, event->button);
fprintf(stderr, "%s:%u: type %u, button %u\n", __FUNCTION__, __LINE__, event->type, event->button);
#endif
if (event->type != GDK_BUTTON_PRESS)
@ -1587,7 +1591,7 @@ x49gp_ui_key_event(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
int index;
#ifdef DEBUG_X49GP_UI
fprintf(stderr, "%s:%u: type %u, keyval %04x\n", __FUNCTION__, __LINE__, event->type, event->keyval);
fprintf(stderr, "%s:%u: type %u, keyval %04x\n", __FUNCTION__, __LINE__, event->type, event->keyval);
#endif
switch (event->keyval) {
@ -2108,7 +2112,7 @@ x49gp_window_button_press(GtkWidget *widget, GdkEventButton *event,
gpointer user_data)
{
#ifdef DEBUG_X49GP_UI
fprintf(stderr, "%s:%u: type %u, button %u\n", __FUNCTION__, __LINE__, event->type, event->button);
fprintf(stderr, "%s:%u: type %u, button %u\n", __FUNCTION__, __LINE__, event->type, event->button);
#endif
gdk_window_focus(widget->window, event->time);