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added style modification callbacks to lv_theme_t struct

Browse Source 
https://github.com/littlevgl/lvgl/issues/806
This commit is contained in:
manison 2019-02-12 16:35:17 +01:00
parent c94fb96bb2
commit 327d7c84ca
4 changed files with 37 additions and 2 deletions
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23
lv_core/lv_group.c
View File

@ -8,6 +8,7 @@
*********************/
#include "lv_group.h"
#if USE_LV_GROUP != 0
#include "../lv_themes/lv_theme.h"
#include <stddef.h>
/*********************
@ -48,14 +49,15 @@ lv_group_t * lv_group_create(void)
if(group == NULL) return NULL;
lv_ll_init(&group->obj_ll, sizeof(lv_obj_t *));
group->style_mod = style_mod_def;
group->style_mod_edit = style_mod_edit_def;
group->obj_focus = NULL;
group->frozen = 0;
group->focus_cb = NULL;
group->click_focus = 1;
group->editing = 0;
/*Initialize style modification callbacks from current theme*/
lv_group_report_style_mod(group);
return group;
}
@ -522,4 +524,21 @@ static void style_mod_edit_def(lv_style_t * style)
}
/**
* Notify the group that current theme changed and style modification callbacks need to be refreshed.
* @param group pointer to group
*/
void lv_group_report_style_mod(lv_group_t * group)
{
group->style_mod = style_mod_def;
group->style_mod_edit = style_mod_edit_def;
lv_theme_t * th = lv_theme_get_current();
if(th) {
if (th->group.style_mod)
group->style_mod = th->group.style_mod;
if (th->group.style_mod_edit)
group->style_mod_edit = th->group.style_mod_edit;
}
}
#endif /*USE_LV_GROUP != 0*/

6
lv_core/lv_group.h
View File

@ -236,6 +236,12 @@ bool lv_group_get_click_focus(const lv_group_t * group);
*/
bool lv_group_get_wrap(lv_group_t * group);
/**
* Notify the group that current theme changed and style modification callbacks need to be refreshed.
* @param group pointer to group
*/
void lv_group_report_style_mod(lv_group_t * group);
/**********************
* MACROS
**********************/

3
lv_themes/lv_theme.c
View File

@ -80,6 +80,9 @@ void lv_theme_set_current(lv_theme_t * th)
if(s) memcpy(&th_styles[i], (void *)s, sizeof(lv_style_t));
}
/*Copy group style modification callback functions*/
current_theme.group = th->group;
/*Let the object know their style might change*/
lv_obj_report_style_mod(NULL);
#endif

7
lv_themes/lv_theme.h
View File

@ -20,6 +20,7 @@ extern "C" {
#endif
#include "../lv_core/lv_style.h"
#include "../lv_core/lv_group.h"
/*********************
* DEFINES
@ -291,6 +292,12 @@ typedef struct {
} win;
#endif
} style;
struct
{
lv_group_style_mod_func_t style_mod;
lv_group_style_mod_func_t style_mod_edit;
} group;
} lv_theme_t;
/**********************