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tutorial: Improve type safety of property usage in GObject tutorial

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This means that if you compile with `-Wswitch-enum`, the compiler will
warn you about properties which you’ve forgotten to handle in
`set_property()` or `get_property()`.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

Helps: #1858
This commit is contained in:
Philip Withnall
2019-08-29 09:12:18 +01:00
parent fea016399c
commit 61912bffb5
1 changed files with 4 additions and 4 deletions
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8
docs/reference/gobject/tut_gobject.xml
View File

@@ -465,12 +465,12 @@ ViewerFile *file = g_object_new (VIEWER_TYPE_FILE, NULL);
/* Implementation */ /* Implementation */
/************************************************/ /************************************************/
enum typedef enum
{ {
PROP_FILENAME = 1, PROP_FILENAME = 1,
PROP_ZOOM_LEVEL, PROP_ZOOM_LEVEL,
N_PROPERTIES N_PROPERTIES
}; } ViewerFileProperty;
static GParamSpec *obj_properties[N_PROPERTIES] = { NULL, }; static GParamSpec *obj_properties[N_PROPERTIES] = { NULL, };
@@ -482,7 +482,7 @@ viewer_file_set_property (GObject *object,
{ {
ViewerFile *self = VIEWER_FILE (object); ViewerFile *self = VIEWER_FILE (object);
switch (property_id) switch ((ViewerFileProperty) property_id)
{ {
case PROP_FILENAME: case PROP_FILENAME:
g_free (self-&gt;priv-&gt;filename); g_free (self-&gt;priv-&gt;filename);
@@ -510,7 +510,7 @@ viewer_file_get_property (GObject *object,
{ {
ViewerFile *self = VIEWER_FILE (object); ViewerFile *self = VIEWER_FILE (object);
switch (property_id) switch ((ViewerFileProperty) property_id)
{ {
case PROP_FILENAME: case PROP_FILENAME:
g_value_set_string (value, self-&gt;priv-&gt;filename); g_value_set_string (value, self-&gt;priv-&gt;filename);