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/* gap_navi_activtable.c
* 2002.04.21 hof (Wolfgang Hofer)
*
* GAP ... Gimp Animation Plugins
*
*/
#include "libgimp/gimp.h"
#include "gap_navi_activtable.h"
typedef struct t_gap_activdata {
gint32 pid;
gint32 old_image_id;
gint32 new_image_id;
} t_gap_activdata;
extern int gap_debug; /* ==0 ... dont print debug infos */
#define GAP_NAVID_ACTIVE_IMAGE "plug_in_gap_navid_ACTIVE_IMAGETABLE"
/* ============================================================================
* gap_navat_update_active_image
* update activ_image table.
* - is usually called in gap_lib at change of the current frame.
* - The activ_image table contains all the active_images for all
* open navigator dialogs. (currently 1 or 0 entries)
* ============================================================================
*/
/* revision history:
* 1.3.5a; 2002/04/21 hof: created (Handle Event: active_image changed id)
*/
void
gap_navat_update_active_image(gint32 old_image_id, gint32 new_image_id)
{
gint32 l_idx;
gint32 l_activsize;
gint32 l_nactivs;
t_gap_activdata *l_activtab;
/* update activtable (all records that match old_image_id) */
l_activsize = gimp_get_data_size (GAP_NAVID_ACTIVE_IMAGE);
if (l_activsize > 0)
{
l_nactivs = l_activsize / (sizeof(t_gap_activdata));
l_activtab = g_new(t_gap_activdata, l_nactivs);
gimp_get_data (GAP_NAVID_ACTIVE_IMAGE, l_activtab);
for(l_idx=0; l_idx < l_nactivs; l_idx++)
{
if(l_activtab[l_idx].old_image_id == old_image_id)
{
l_activtab[l_idx].new_image_id = new_image_id;
gimp_set_data(GAP_NAVID_ACTIVE_IMAGE, l_activtab, l_nactivs * sizeof(t_gap_activdata));
}
}
g_free(l_activtab);
}
} /* end gap_navat_update_active_image */
/* ============================================================================
* gap_navat_set_active_image
* set active image for one (Navigator) Process in the activ_image table.
* ============================================================================
*/
void
gap_navat_set_active_image(gint32 image_id, gint32 pid)
{
gint32 l_idx;
gint32 l_activsize;
gint32 l_nactivs;
gint32 l_nactivs_old;
t_gap_activdata *l_activtab;
/* check activtable for empty records */
l_activsize = gimp_get_data_size (GAP_NAVID_ACTIVE_IMAGE);
if (l_activsize > 0)
{
l_nactivs_old = l_activsize / (sizeof(t_gap_activdata));
l_nactivs = l_nactivs_old + 1;
l_activtab = g_new(t_gap_activdata, l_nactivs);
gimp_get_data (GAP_NAVID_ACTIVE_IMAGE, l_activtab);
for(l_idx=0; l_idx < l_nactivs_old; l_idx++)
{
if (l_activtab[l_idx].pid == pid)
{
l_nactivs--;
break;
}
}
}
else
{
/* create a new tab with 1 entry */
l_nactivs = 1;
l_idx = 0;
l_activtab = g_new(t_gap_activdata, l_nactivs);
}
l_activtab[l_idx].old_image_id = image_id;
l_activtab[l_idx].new_image_id = image_id;
l_activtab[l_idx].pid = pid;
gimp_set_data(GAP_NAVID_ACTIVE_IMAGE, l_activtab, l_nactivs * sizeof(t_gap_activdata));
g_free(l_activtab);
} /* end gap_navat_set_active_image */
/* ============================================================================
* gap_navat_get_active_image
* get new_image_id for the active image (image_id)
* for one (Navigator) Process in the activ_image table.
* - If the table has information about a change of the old active image_id,
* the new_image_id is returned
* - If the old active image_id is found in the table, but still is
* the same (as new_image_id) then -1 is returned.
* - If the active_image table is empty
* the input image_id is retuned.
* ============================================================================
*/
gint32
gap_navat_get_active_image(gint32 image_id, gint32 pid)
{
gint32 l_idx;
gint32 l_activsize;
gint32 l_nactivs;
gint32 l_new_image_id;
t_gap_activdata *l_activtab;
l_new_image_id = image_id;
/* check activtable for empty records */
l_activsize = gimp_get_data_size (GAP_NAVID_ACTIVE_IMAGE);
if (l_activsize > 0)
{
l_nactivs = l_activsize / (sizeof(t_gap_activdata));
l_activtab = g_new(t_gap_activdata, l_nactivs);
gimp_get_data (GAP_NAVID_ACTIVE_IMAGE, l_activtab);
for(l_idx=0; l_idx < l_nactivs; l_idx++)
{
if ((l_activtab[l_idx].pid == pid)
&& (l_activtab[l_idx].old_image_id == image_id))
{
if(l_activtab[l_idx].new_image_id == image_id)
{
l_new_image_id = -1;
}
else
{
l_new_image_id = l_activtab[l_idx].new_image_id;
}
break;
}
}
g_free(l_activtab);
}
return (l_new_image_id);
} /* end gap_navat_get_active_image */
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