darktable/libgphoto2
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Allow to set user defined settings get/set functions

Browse Source 
This is useful for applications integrating libgphoto2 which provide
their own way of storing user settings.
This commit is contained in:
Daniel Schulte
2025-04-28 11:16:44 +02:00
committed by Marcus Meissner
parent a16cb6b552
commit 4541db86be
3 changed files with 44 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
gphoto2/gphoto2-setting.h
View File

@@ -28,6 +28,9 @@
extern "C" {
#endif /* __cplusplus */
typedef int(*gp_settings_func)(char*,char*,char*,void*);
void gp_setting_set_get_func (gp_settings_func func, void *userdata);
void gp_setting_set_set_func (gp_settings_func func, void *userdata);
int gp_setting_set (char *id, char *key, char *value);
int gp_setting_get (char *id, char *key, char *value);

39
libgphoto2/gphoto2-setting.c
View File

@@ -61,6 +61,39 @@ static int save_settings (void);
static int load_settings (void);
static void *get_func_userdata = NULL;
static void *set_func_userdata = NULL;
static gp_settings_func custom_get_func = NULL;
static gp_settings_func custom_set_func = NULL;
/**
* \brief Set user defined function to get a gphoto setting.
* \param func The function to get the settings
* \param userdata userdata passed to func
*
* This function is expected to behave like gp_settings_get.
* To clear set func to NULL.
*/
void gp_setting_set_get_func (gp_settings_func func, void *userdata)
{
custom_get_func = func;
get_func_userdata = userdata;
}
/**
* \brief Set user defined function to set a gphoto setting.
* \param func The function to set the settings
* \param userdata userdata passed to func
*
* This function is expected to behave like gp_settings_set.
* To clear set func to NULL.
*/
void gp_setting_set_set_func (gp_settings_func func, void *userdata)
{
custom_set_func = func;
set_func_userdata = userdata;
}
/**
* \brief Retrieve a specific gphoto setting.
* \param id the frontend id of the caller
@@ -74,6 +107,9 @@ static int load_settings (void);
int
gp_setting_get (char *id, char *key, char *value)
{
if (custom_get_func != NULL)
return custom_get_func(id, key, value, get_func_userdata);
int x;
C_PARAMS (id && key);
@@ -106,6 +142,9 @@ gp_setting_get (char *id, char *key, char *value)
int
gp_setting_set (char *id, char *key, char *value)
{
if (custom_set_func != NULL)
return custom_set_func(id, key, value, set_func_userdata);
int x;
C_PARAMS (id && key);

2
libgphoto2/libgphoto2.sym
View File

@@ -140,6 +140,8 @@ gp_list_sort
gp_list_unref
gp_message_codeset
gp_result_as_string
gp_setting_set_get_func
gp_setting_set_set_func
gp_setting_get
gp_setting_set
gp_widget_add_choice