forked from enlightenment/enlightenment
180 lines
4.4 KiB
C
180 lines
4.4 KiB
C
#include "e.h"
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typedef struct _E_Widget_Data E_Widget_Data;
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struct _E_Widget_Data
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{
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Evas_Object *o_widget, *o_scrollframe, *o_textblock;
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};
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static void _e_wid_del_hook(Evas_Object *obj);
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static void _e_wid_focus_hook(Evas_Object *obj);
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static void _e_wid_cb_scrollframe_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_wid_focus_steal(void *data, Evas *e, Evas_Object *obj, void *event_info);
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/* externally accessible functions */
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EAPI Evas_Object *
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e_widget_textblock_add(Evas *evas)
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{
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Evas_Object *obj, *o;
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E_Widget_Data *wd;
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obj = e_widget_add(evas);
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e_widget_del_hook_set(obj, _e_wid_del_hook);
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e_widget_focus_hook_set(obj, _e_wid_focus_hook);
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wd = calloc(1, sizeof(E_Widget_Data));
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e_widget_data_set(obj, wd);
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o = e_scrollframe_add(evas);
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wd->o_scrollframe = o;
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evas_object_show(o);
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e_widget_sub_object_add(obj, o);
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e_widget_resize_object_set(obj, o);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_focus_steal, obj);
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o = edje_object_add(evas);
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e_theme_edje_object_set(o, "base/theme/widgets",
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"e/widgets/textblock");
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wd->o_textblock = o;
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evas_object_event_callback_add(wd->o_scrollframe, EVAS_CALLBACK_RESIZE, _e_wid_cb_scrollframe_resize, wd);
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evas_object_event_callback_add(wd->o_textblock, EVAS_CALLBACK_RESIZE, _e_wid_cb_scrollframe_resize, wd);
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e_scrollframe_child_set(wd->o_scrollframe, o);
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e_widget_sub_object_add(obj, o);
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evas_object_show(o);
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evas_object_resize(obj, 32, 32);
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e_widget_size_min_set(obj, 32, 32);
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return obj;
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}
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EAPI void
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e_widget_textblock_markup_set(Evas_Object *obj, const char *text)
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{
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E_Widget_Data *wd;
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Evas_Coord mw, mh, vw, vh;
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wd = e_widget_data_get(obj);
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evas_object_resize(wd->o_textblock, 0, 0);
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edje_object_part_text_set(wd->o_textblock, "e.textblock.text", text);
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e_scrollframe_child_viewport_size_get(wd->o_scrollframe, &vw, &vh);
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edje_object_size_min_restricted_calc(wd->o_textblock, &mw, &mh, vw, 0);
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if (vw > mw) mw = vw;
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if (vh > mh) mh = vh;
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evas_object_resize(wd->o_textblock, mw, mh);
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}
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EAPI void
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e_widget_textblock_plain_set(Evas_Object *obj, const char *text)
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{
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char *markup;
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char *d;
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const char *p;
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int mlen;
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if (!text)
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{
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e_widget_textblock_markup_set(obj, NULL);
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return;
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}
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mlen = strlen(text);
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/* need to look for these and replace with a new string (on the right)
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* '\n' -> "<br>"
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* '\t' -> " "
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* '<' -> "<"
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* '>' -> ">"
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* '&' -> "&"
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*/
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for (p = text; *p != 0; p++)
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{
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if (*p == '\n') mlen += 4 - 1;
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else if (*p == '\t') mlen += 8 - 1;
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else if (*p == '<') mlen += 4 - 1;
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else if (*p == '>') mlen += 4 - 1;
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else if (*p == '&') mlen += 5 - 1;
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}
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markup = alloca(mlen + 1);
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if (!markup) return;
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markup[0] = 0;
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for (d = markup, p = text; *p != 0; p++, d++)
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{
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if (*p == '\n')
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{
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strcpy(d, "<br>");
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d += 4 - 1;
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}
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else if (*p == '\t')
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{
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strcpy(d, " ");
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d += 8 - 1;
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}
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else if (*p == '<')
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{
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strcpy(d, "<");
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d += 4 - 1;
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}
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else if (*p == '>')
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{
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strcpy(d, ">");
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d += 4 - 1;
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}
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else if (*p == '&')
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{
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strcpy(d, "&");
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d += 5 - 1;
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}
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else *d = *p;
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}
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*d = 0;
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e_widget_textblock_markup_set(obj, markup);
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}
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static void
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_e_wid_del_hook(Evas_Object *obj)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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free(wd);
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}
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static void
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_e_wid_focus_hook(Evas_Object *obj)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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if (e_widget_focus_get(obj))
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{
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edje_object_signal_emit(e_scrollframe_edje_object_get(wd->o_scrollframe), "e,state,focused", "e");
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evas_object_focus_set(wd->o_scrollframe, 1);
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}
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else
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{
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edje_object_signal_emit(e_scrollframe_edje_object_get(wd->o_scrollframe), "e,state,unfocused", "e");
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evas_object_focus_set(wd->o_scrollframe, 0);
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}
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}
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static void
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_e_wid_cb_scrollframe_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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E_Widget_Data *wd;
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Evas_Coord mw, mh, vw, vh;
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wd = data;
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e_scrollframe_child_viewport_size_get(wd->o_scrollframe, &vw, &vh);
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edje_object_size_min_restricted_calc(wd->o_textblock, &mw, &mh, vw, 0);
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if (vw > mw) mw = vw;
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if (vh > mh) mh = vh;
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evas_object_resize(wd->o_textblock, mw, mh);
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}
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static void
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_e_wid_focus_steal(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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e_widget_focus_steal(data);
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}
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