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fix pango crash

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This commit is contained in:
Raphael Robatsch 2021-10-28 17:22:40 +02:00
parent 32c66cee87
commit 8e8e1b7614
3 changed files with 7 additions and 2 deletions
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7
src/bar.cpp
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@ -31,10 +31,15 @@ struct Font {
static Font getFont() static Font getFont()
{ {
auto fontMap = pango_cairo_font_map_get_default(); auto fontMap = pango_cairo_font_map_get_default();
if (!fontMap) die("pango_cairo_font_map_get_default");
auto fontDesc = pango_font_description_from_string(font); auto fontDesc = pango_font_description_from_string(font);
if (!fontDesc) die("pango_font_description_from_string");
auto tempContext = pango_font_map_create_context(fontMap); auto tempContext = pango_font_map_create_context(fontMap);
if (!tempContext) die("pango_font_map_create_context");
auto font = pango_font_map_load_font(fontMap, tempContext, fontDesc); auto font = pango_font_map_load_font(fontMap, tempContext, fontDesc);
if (!font) die("pango_font_map_load_font");
auto metrics = pango_font_get_metrics(font, pango_language_get_default()); auto metrics = pango_font_get_metrics(font, pango_language_get_default());
if (!metrics) die("pango_font_get_metrics");
auto res = Font {}; auto res = Font {};
res.description = fontDesc; res.description = fontDesc;
@ -43,7 +48,6 @@ static Font getFont()
pango_font_metrics_unref(metrics); pango_font_metrics_unref(metrics);
g_object_unref(font); g_object_unref(font);
g_object_unref(tempContext); g_object_unref(tempContext);
g_object_unref(fontMap);
return res; return res;
} }
static Font barfont = getFont(); static Font barfont = getFont();
@ -68,6 +72,7 @@ Bar::Bar(Monitor *mon)
{ {
_mon = mon; _mon = mon;
_pangoContext.reset(pango_font_map_create_context(pango_cairo_font_map_get_default())); _pangoContext.reset(pango_font_map_create_context(pango_cairo_font_map_get_default()));
if (!_pangoContext) die("pango_font_map_create_context");
for (auto i=0u; i<tagNames.size(); i++) { for (auto i=0u; i<tagNames.size(); i++) {
_tags.push_back({ ZNET_TAPESOFTWARE_DWL_WM_MONITOR_V1_TAG_STATE_NONE, 0, 0, createComponent(tagNames[i]) }); _tags.push_back({ ZNET_TAPESOFTWARE_DWL_WM_MONITOR_V1_TAG_STATE_NONE, 0, 0, createComponent(tagNames[i]) });
} }

1
src/common.hpp
View file

@ -47,6 +47,7 @@ void setlayout(Monitor &m, const Arg &arg);
void tag(Monitor &m, const Arg &arg); void tag(Monitor &m, const Arg &arg);
void toggletag(Monitor &m, const Arg &arg); void toggletag(Monitor &m, const Arg &arg);
void spawn(Monitor&, const Arg &arg); void spawn(Monitor&, const Arg &arg);
[[noreturn]] void die(const char *why);
// wayland smart pointers // wayland smart pointers
template<typename T> template<typename T>

1
src/main.cpp
View file

@ -55,7 +55,6 @@ static void cleanup();
static void requireGlobal(const void *p, const char *name); static void requireGlobal(const void *p, const char *name);
static void waylandFlush(); static void waylandFlush();
[[noreturn]] static void diesys(const char *why); [[noreturn]] static void diesys(const char *why);
[[noreturn]] static void die(const char *why);
wl_display *display; wl_display *display;
wl_compositor *compositor; wl_compositor *compositor;