Introduce text on path widget
Text on path (textpath) allows application to make text follow a path. The path can be a efl_gfx_path or a circle. Thank hermet for initializing this work. @feature
This commit is contained in:
Thiep Ha
parent
d8f1ea44fd
commit
b0d185ac12
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@ -146,6 +146,7 @@ elementary/themes/edc/elm/separator.edc \
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elementary/themes/edc/elm/slider.edc \
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elementary/themes/edc/elm/slideshow.edc \
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elementary/themes/edc/elm/spinner.edc \
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elementary/themes/edc/elm/textpath.edc \
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elementary/themes/edc/elm/thumb.edc \
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elementary/themes/edc/elm/toolbar.edc \
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elementary/themes/edc/elm/tooltip.edc \
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@ -74,6 +74,8 @@ collections {
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#include "edc/elm/cursor.edc"
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#include "edc/elm/code.edc"
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#include "edc/elm/ews.edc"
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#include "edc/elm/textpath.edc"
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// desktop in general
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#include "edc/wallpaper.edc"
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@ -0,0 +1,24 @@
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group { name: "elm/textpath/base/default";
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styles {
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style { name: "textpath_style";
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base: "font="FN" font_size=16 text_class=tb_plain wrap=none align=left color=#ffffffff style=shadow,bottom shadow_color=#00000080";
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tag: "br" "\n";
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tag: "b" "+ font="FNBD" text_class=tb_light";
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ENABLED_TEXTBLOCK_TAGS
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}
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}
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parts {
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part { name: "elm.text";
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type: TEXTBLOCK;
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scale: 1;
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description { state: "default" 0.0;
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align: 0.0 0.0;
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text {
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style: "textpath_style";
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min: 0 1;
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align: 0.0 0.5;
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}
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}
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}
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}
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}
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@ -133,6 +133,8 @@ elm_public_eolian_files = \
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lib/elementary/efl_ui_focus_manager_root_focus.eo \
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lib/elementary/efl_ui_focus_object.eo \
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lib/elementary/efl_ui_focus_user.eo \
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lib/elementary/efl_ui_textpath.eo \
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lib/elementary/efl_ui_textpath_internal_part.eo \
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$(NULL)
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# Private classes (not exposed or shipped)
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@ -690,6 +692,7 @@ lib_elementary_libelementary_la_SOURCES = \
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lib/elementary/efl_ui_focus_manager_sub.c \
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lib/elementary/efl_ui_focus_object.c \
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lib/elementary/efl_ui_focus_manager_root_focus.c \
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lib/elementary/efl_ui_textpath.c \
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$(NULL)
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@ -860,6 +863,7 @@ bin/elementary/test_transit_bezier.c \
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bin/elementary/test_ui_box.c \
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bin/elementary/test_ui_clock.c \
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bin/elementary/test_ui_grid.c \
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bin/elementary/test_ui_textpath.c \
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bin/elementary/test_video.c \
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bin/elementary/test_weather.c \
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bin/elementary/test_web.c \
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@ -316,6 +316,7 @@ void test_gfx_filters(void *data, Evas_Object *obj, void *event_info);
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void test_evas_snapshot(void *data, Evas_Object *obj, void *event_info);
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void test_evas_map(void *data, Edje_Object *obj, void *event_info);
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void test_efl_gfx_map(void *data, Edje_Object *obj, void *event_info);
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void test_ui_textpath(void *data, Edje_Object *obj, void *event_info);
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Evas_Object *win, *tbx; // TODO: refactoring
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void *tt;
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@ -970,6 +971,7 @@ add_tests:
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ADD_TEST(NULL, "Text", "Label Wrap", test_label_wrap);
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ADD_TEST(NULL, "Text", "Label Ellipsis", test_label_ellipsis);
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ADD_TEST(NULL, "Text", "Label Emoji", test_label_emoji);
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ADD_TEST(NULL, "Text", "Text Path", test_ui_textpath);
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//------------------------------//
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ADD_TEST(NULL, "Stored Surface Buffer", "Launcher", test_launcher);
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@ -0,0 +1,183 @@
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#include "test.h"
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#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#include <Elementary.h>
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#define CX 180
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#define CY 150
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#define CR 100
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static Evas_Object *angle_sld, *slice_sld, *dir_chk;
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static int path_type;
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static void
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_autofit_changed_cb(void *data, const Efl_Event *event)
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{
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Evas_Object *txtpath = data;
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efl_ui_textpath_autofit_set(txtpath, elm_check_state_get(event->object));
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}
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static void
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_ellipsis_changed_cb(void *data, const Efl_Event *event)
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{
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Evas_Object *txtpath = data;
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efl_ui_textpath_ellipsis_set(txtpath, elm_check_state_get(event->object));
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}
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static void
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_direction_changed_cb(void *data, const Efl_Event *event)
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{
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Evas_Object *txtpath = data;
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int angle = elm_slider_value_get(angle_sld);
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Eina_Bool val = elm_check_selected_get(event->object);
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Efl_Ui_Textpath_Direction dir = val ? EFL_UI_TEXTPATH_DIRECTION_CW :
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EFL_UI_TEXTPATH_DIRECTION_CCW;
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efl_ui_textpath_circle_set(txtpath, CX, CY, CR, angle, dir);
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}
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static void
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_angle_changed_cb(void *data, const Efl_Event *event)
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{
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Evas_Object *txtpath = data;
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int angle = elm_slider_value_get(event->object);
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printf("angle: %d\n", angle);
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Eina_Bool val = elm_check_selected_get(dir_chk);
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Efl_Ui_Textpath_Direction dir = val ? EFL_UI_TEXTPATH_DIRECTION_CW :
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EFL_UI_TEXTPATH_DIRECTION_CCW;
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efl_ui_textpath_circle_set(txtpath, CX, CY, CR, angle, dir);
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}
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static void
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_change_shape_cb(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Evas_Object *txtpath = data;
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efl_gfx_path_reset(txtpath);
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path_type = (path_type + 1) % 2;
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if (path_type == 1)
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{
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efl_gfx_path_append_move_to(txtpath, 20, 300);
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efl_gfx_path_append_cubic_to(txtpath, 80, 80, 240, 270, 300, 20);
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}
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else
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{
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int angle = elm_slider_value_get(angle_sld);
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Eina_Bool val = elm_check_selected_get(dir_chk);
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Efl_Ui_Textpath_Direction dir = val ? EFL_UI_TEXTPATH_DIRECTION_CW :
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EFL_UI_TEXTPATH_DIRECTION_CCW;
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efl_ui_textpath_circle_set(txtpath, CX, CY, CR, angle, dir);
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}
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}
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static void
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_slice_no_changed_cb(void *data, const Efl_Event *event)
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{
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Evas_Object *txtpath = data;
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int slice_no = elm_slider_value_get(event->object);
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printf("Slice no: %d\n", slice_no);
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efl_ui_textpath_slice_number_set(txtpath, slice_no);
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}
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void
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test_ui_textpath(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Evas_Object *win, *txtpath, *box, *hbox, *chk, *sld, *btn;
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elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
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win = elm_win_util_standard_add("efl.ui.textpath", "TextPath test");
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elm_win_autodel_set(win, EINA_TRUE);
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box = elm_box_add(win);
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elm_box_horizontal_set(box, EINA_FALSE);
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efl_gfx_size_hint_weight_set(box, EFL_GFX_SIZE_HINT_EXPAND, EFL_GFX_SIZE_HINT_EXPAND);
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efl_gfx_size_hint_align_set(box, EFL_GFX_SIZE_HINT_FILL, EFL_GFX_SIZE_HINT_FILL);
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efl_gfx_visible_set(box, EINA_TRUE);
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txtpath = efl_add(EFL_UI_TEXTPATH_CLASS, win);
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elm_box_pack_end(box, txtpath);
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efl_ui_textpath_autofit_set(txtpath, EINA_TRUE);
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efl_text_set(txtpath, "This text follows the path which you defined. This is a <long> text designed to make it ellipsis.");
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efl_ui_textpath_circle_set(txtpath, CX, CY, CR, 0, EFL_UI_TEXTPATH_DIRECTION_CCW);
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efl_gfx_visible_set(txtpath, EINA_TRUE);
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path_type = 0;
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hbox = elm_box_add(win);
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elm_box_horizontal_set(hbox, EINA_TRUE);
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efl_gfx_size_hint_weight_set(hbox, EFL_GFX_SIZE_HINT_EXPAND, EFL_GFX_SIZE_HINT_EXPAND);
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efl_gfx_size_hint_align_set(hbox, EFL_GFX_SIZE_HINT_FILL, EFL_GFX_SIZE_HINT_FILL);
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efl_gfx_visible_set(hbox, EINA_TRUE);
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elm_box_pack_end(box, hbox);
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chk = elm_check_add(win);
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elm_object_text_set(chk, "Autofit");
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elm_check_state_set(chk, efl_ui_textpath_autofit_get(txtpath));
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efl_event_callback_add(chk, EFL_UI_CHECK_EVENT_CHANGED, _autofit_changed_cb, txtpath);
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elm_box_pack_end(hbox, chk);
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efl_gfx_visible_set(chk, EINA_TRUE);
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chk = elm_check_add(win);
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elm_object_text_set(chk, "Ellipsis");
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elm_check_state_set(chk, efl_ui_textpath_ellipsis_get(txtpath));
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efl_event_callback_add(chk, EFL_UI_CHECK_EVENT_CHANGED, _ellipsis_changed_cb, txtpath);
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elm_box_pack_end(hbox, chk);
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efl_gfx_visible_set(chk, EINA_TRUE);
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chk = elm_check_add(win);
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elm_object_text_set(chk, "Clockwise");
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efl_event_callback_add(chk, EFL_UI_CHECK_EVENT_CHANGED, _direction_changed_cb, txtpath);
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elm_box_pack_end(hbox, chk);
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efl_gfx_visible_set(chk, EINA_TRUE);
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dir_chk = chk;
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hbox = elm_box_add(win);
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elm_box_horizontal_set(hbox, EINA_TRUE);
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efl_gfx_size_hint_weight_set(hbox, EFL_GFX_SIZE_HINT_EXPAND, EFL_GFX_SIZE_HINT_EXPAND);
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efl_gfx_size_hint_align_set(hbox, EFL_GFX_SIZE_HINT_FILL, EFL_GFX_SIZE_HINT_FILL);
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efl_gfx_visible_set(hbox, EINA_TRUE);
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elm_box_pack_end(box, hbox);
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sld = elm_slider_add(win);
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elm_object_text_set(sld, "Angle");
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elm_slider_min_max_set(sld, 0, 360);
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elm_slider_value_set(sld, 0);
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efl_gfx_size_hint_align_set(sld, 0.5, EFL_GFX_SIZE_HINT_FILL);
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efl_gfx_size_hint_weight_set(sld, EFL_GFX_SIZE_HINT_EXPAND, EFL_GFX_SIZE_HINT_EXPAND);
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efl_gfx_size_hint_min_set(sld, 150, 0);
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efl_event_callback_add(sld, EFL_UI_SLIDER_EVENT_CHANGED, _angle_changed_cb, txtpath);
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elm_box_pack_end(hbox, sld);
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efl_gfx_visible_set(sld, EINA_TRUE);
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angle_sld = sld;
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sld = elm_slider_add(win);
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elm_object_text_set(sld, "Slice No");
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elm_slider_min_max_set(sld, 20, 300);
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elm_slider_value_set(sld, 99);
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efl_gfx_size_hint_align_set(sld, 0.5, EFL_GFX_SIZE_HINT_FILL);
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efl_gfx_size_hint_weight_set(sld, EFL_GFX_SIZE_HINT_EXPAND, EFL_GFX_SIZE_HINT_EXPAND);
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efl_gfx_size_hint_min_set(sld, 150, 0);
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efl_event_callback_add(sld, EFL_UI_SLIDER_EVENT_CHANGED, _slice_no_changed_cb, txtpath);
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elm_box_pack_end(hbox, sld);
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efl_gfx_visible_set(sld, EINA_TRUE);
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slice_sld = sld;
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hbox = elm_box_add(win);
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elm_box_horizontal_set(hbox, EINA_TRUE);
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efl_gfx_size_hint_weight_set(hbox, EFL_GFX_SIZE_HINT_EXPAND, EFL_GFX_SIZE_HINT_EXPAND);
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efl_gfx_size_hint_align_set(hbox, EFL_GFX_SIZE_HINT_FILL, EFL_GFX_SIZE_HINT_FILL);
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efl_gfx_visible_set(hbox, EINA_TRUE);
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elm_box_pack_end(box, hbox);
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btn = elm_button_add(win);
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elm_object_text_set(btn, "Change Path");
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evas_object_smart_callback_add(btn, "clicked", _change_shape_cb, txtpath);
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elm_box_pack_end(hbox, btn);
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efl_gfx_visible_set(btn, EINA_TRUE);
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elm_win_resize_object_add(win, box);
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efl_gfx_size_set(win, 400, 400);
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efl_gfx_visible_set(win, 1);
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}
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@ -150,6 +150,7 @@ EAPI extern Elm_Version *elm_version;
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# include "efl_ui_focus_manager_sub.eo.h"
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# include "efl_ui_focus_manager_root_focus.eo.h"
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# include "efl_ui_focus_user.eo.h"
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# include <efl_ui_textpath.eo.h>
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#endif
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#include <elm_tooltip.h>
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@ -0,0 +1,673 @@
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#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#define ELM_LAYOUT_PROTECTED
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#include <Elementary.h>
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#include "elm_priv.h"
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#include "elm_widget_layout.h"
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#include "efl_ui_textpath_internal_part.eo.h"
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#include "elm_part_helper.h"
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#define MY_CLASS EFL_UI_TEXTPATH_CLASS
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#define MY_CLASS_NAME "Efl.Ui.Textpath"
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#define MY_CLASS_NAME_LEGACY "elm_textpath"
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#define SLICE_DEFAULT_NO 99
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typedef struct _Efl_Ui_Textpath_Point Efl_Ui_Textpath_Point;
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typedef struct _Efl_Ui_Textpath_Line Efl_Ui_Textpath_Line;
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typedef struct _Efl_Ui_Textpath_Segment Efl_Ui_Textpath_Segment;
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typedef struct _Efl_Ui_Textpath_Data Efl_Ui_Textpath_Data;
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struct _Efl_Ui_Textpath_Point
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{
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double x;
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double y;
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};
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struct _Efl_Ui_Textpath_Line
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{
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Efl_Ui_Textpath_Point start;
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Efl_Ui_Textpath_Point end;
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};
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struct _Efl_Ui_Textpath_Segment
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{
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EINA_INLIST;
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int length;
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Efl_Gfx_Path_Command_Type type;
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union
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{
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Eina_Bezier bezier;
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Efl_Ui_Textpath_Line line;
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};
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};
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struct _Efl_Ui_Textpath_Data
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{
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Evas_Object *text_obj;
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char *text;
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Efl_Gfx_Path *path;
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struct {
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double x, y;
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double radius;
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double start_angle;
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} circle;
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Efl_Ui_Textpath_Direction direction;
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int slice_no;
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Eina_Bool autofit;
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Eina_Bool ellipsis;
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Eina_Inlist *segments;
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int total_length;
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};
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#define EFL_UI_TEXTPATH_DATA_GET(o, sd) \
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Efl_Ui_Textpath_Data *sd = efl_data_scope_get(o, EFL_UI_TEXTPATH_CLASS)
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static inline double
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_deg_to_rad(double angle)
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{
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return angle / 180 * M_PI;
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}
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static void
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_segment_draw(Efl_Ui_Textpath_Data *pd, int slice_no, int w1, int w2, int cmp, Evas_Map *map, Eina_Bezier bezier)
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{
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int x = 0, y = 0, w = 0, h = 0;
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int i, len, seg_len;
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double u0, u1, v0, v1;
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double dist, t, dt;
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double px, py, px2, py2;
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double rad;
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Eina_Vector2 vec, nvec, vec0, vec1, vec2, vec3;
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Eina_Matrix2 mat;
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len = w2 - w1;
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efl_gfx_size_get(pd->text_obj, &w, &h);
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seg_len = eina_bezier_length_get(&bezier);
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if (pd->autofit)
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dt = len / (seg_len * (double) slice_no);
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else
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dt = 1.0 / (double) slice_no;
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dist = len / (double)slice_no;
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rad = _deg_to_rad(90);
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eina_matrix2_values_set(&mat, cos(rad), -sin(rad), sin(rad), cos(rad));
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eina_bezier_values_get(&bezier, NULL, NULL, NULL, NULL, NULL, NULL, &px2, &py2);
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t = 0;
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eina_bezier_point_at(&bezier, t, &px, &py);
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||||
eina_bezier_point_at(&bezier, t + dt, &px2, &py2);
|
||||
|
||||
vec.x = (px2 - px);
|
||||
vec.y = (py2 - py);
|
||||
eina_vector2_normalize(&nvec, &vec);
|
||||
|
||||
eina_vector2_transform(&vec, &mat, &nvec);
|
||||
eina_vector2_normalize(&nvec, &vec);
|
||||
eina_vector2_scale(&vec, &nvec, ((double) h) * 0.5);
|
||||
|
||||
vec1.x = (vec.x + px);
|
||||
vec1.y = (vec.y + py);
|
||||
vec2.x = (-vec.x + px);
|
||||
vec2.y = (-vec.y + py);
|
||||
|
||||
//add points to map
|
||||
for (i = 0; i < slice_no; i++)
|
||||
{
|
||||
//v0, v3
|
||||
vec0.x = vec1.x;
|
||||
vec0.y = vec1.y;
|
||||
vec3.x = vec2.x;
|
||||
vec3.y = vec2.y;
|
||||
|
||||
//v1, v2
|
||||
t = ((double) (i + 1) * dt);
|
||||
eina_bezier_point_at(&bezier, t, &px, &py);
|
||||
eina_bezier_point_at(&bezier, t + dt, &px2, &py2);
|
||||
|
||||
vec.x = (px2 - px);
|
||||
vec.y = (py2 - py);
|
||||
eina_vector2_normalize(&nvec, &vec);
|
||||
eina_vector2_transform(&vec, &mat, &nvec);
|
||||
eina_vector2_normalize(&nvec, &vec);
|
||||
eina_vector2_scale(&vec, &nvec, ((double) h) * 0.5);
|
||||
|
||||
vec1.x = (vec.x + px);
|
||||
vec1.y = (vec.y + py);
|
||||
vec2.x = (-vec.x + px);
|
||||
vec2.y = (-vec.y + py);
|
||||
|
||||
evas_map_point_coord_set(map, cmp + i * 4, (int) vec0.x + x, (int) vec0.y + y, 0);
|
||||
evas_map_point_coord_set(map, cmp + i * 4 + 1, (int) vec1.x + x, (int) vec1.y + y, 0);
|
||||
evas_map_point_coord_set(map, cmp + i * 4 + 2, (int) vec2.x + x, (int) vec2.y + y, 0);
|
||||
evas_map_point_coord_set(map, cmp + i * 4 + 3, (int) vec3.x + x, (int) vec3.y + y, 0);
|
||||
|
||||
//UV
|
||||
u0 = w1 + i * dist;
|
||||
u1 = u0 + dist;
|
||||
v0 = (double) 0;
|
||||
v1 = (double) h;
|
||||
|
||||
evas_map_point_image_uv_set(map, cmp + i * 4, u0, v0);
|
||||
evas_map_point_image_uv_set(map, cmp + i * 4 + 1, u1, v0);
|
||||
evas_map_point_image_uv_set(map, cmp + i * 4 + 2, u1, v1);
|
||||
evas_map_point_image_uv_set(map, cmp + i * 4 + 3, u0, v1);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_text_on_line_draw(Efl_Ui_Textpath_Data *pd, int w1, int w2, int cmp, Evas_Map *map, Efl_Ui_Textpath_Line line)
|
||||
{
|
||||
double x1, x2, y1, y2;
|
||||
Evas_Coord x, y, w, h;
|
||||
double line_len, len, sina, cosa;
|
||||
|
||||
x1 = line.start.x;
|
||||
y1 = line.start.y;
|
||||
x2 = line.end.x;
|
||||
y2 = line.end.y;
|
||||
|
||||
line_len = sqrt((x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1));
|
||||
len = w2 - w1;
|
||||
if (line_len > len)
|
||||
{
|
||||
x2 = x1 + len * (x2 - x1) / line_len;
|
||||
y2 = y1 + len * (y2 - y1) / line_len;
|
||||
}
|
||||
|
||||
efl_gfx_geometry_get(pd->text_obj, &x, &y, &w, &h);
|
||||
|
||||
len = sqrt((x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1));
|
||||
sina = (y2 - y1) / len;
|
||||
cosa = (x2 - x1) / len;
|
||||
|
||||
h = h / 2;
|
||||
evas_map_point_coord_set(map, cmp + 3, x1 - h * sina, y1 + h * cosa, 0);
|
||||
evas_map_point_coord_set(map, cmp + 2, x2 - h * sina, y2 + h * cosa, 0);
|
||||
evas_map_point_coord_set(map, cmp + 1, x2 + h * sina, y2 - h * cosa, 0);
|
||||
evas_map_point_coord_set(map, cmp + 0, x1 + h * sina, y1 - h * cosa, 0);
|
||||
|
||||
h *= 2;
|
||||
evas_map_point_image_uv_set(map, cmp + 0, w1, 0);
|
||||
evas_map_point_image_uv_set(map, cmp + 1, w2, 0);
|
||||
evas_map_point_image_uv_set(map, cmp + 2, w2, h);
|
||||
evas_map_point_image_uv_set(map, cmp + 3, w1, h);
|
||||
}
|
||||
|
||||
static int
|
||||
_map_point_calc(Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
int map_no = 0;
|
||||
Efl_Ui_Textpath_Segment *seg;
|
||||
|
||||
EINA_INLIST_FOREACH(pd->segments, seg)
|
||||
{
|
||||
if (seg->type == EFL_GFX_PATH_COMMAND_TYPE_LINE_TO)
|
||||
{
|
||||
map_no++;
|
||||
}
|
||||
else if (seg->type == EFL_GFX_PATH_COMMAND_TYPE_CUBIC_TO)
|
||||
{
|
||||
int no = pd->slice_no * seg->length / (double)pd->total_length;
|
||||
map_no += no;
|
||||
}
|
||||
}
|
||||
map_no *= 4;
|
||||
|
||||
return map_no;
|
||||
}
|
||||
|
||||
static void
|
||||
_text_draw(Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
Efl_Ui_Textpath_Segment *seg;
|
||||
Evas_Map *map;
|
||||
double slice_unit, slice_len;
|
||||
int w, h, w1, w2;
|
||||
int remained_w;
|
||||
int total_slice, drawn_slice;
|
||||
int cur_map_point = 0, map_point_no;
|
||||
|
||||
efl_gfx_size_get(pd->text_obj, &w, &h);
|
||||
if (pd->autofit)
|
||||
remained_w = w;
|
||||
else
|
||||
remained_w = pd->total_length;
|
||||
slice_unit = (double)pd->slice_no / pd->total_length;
|
||||
|
||||
slice_len = 1.0 / slice_unit;
|
||||
total_slice = w / slice_len + 1;
|
||||
|
||||
map_point_no = _map_point_calc(pd);
|
||||
if (map_point_no == 0)
|
||||
{
|
||||
evas_object_map_enable_set(pd->text_obj, EINA_FALSE);
|
||||
return;
|
||||
}
|
||||
map = evas_map_new(map_point_no);
|
||||
|
||||
w1 = w2 = 0;
|
||||
EINA_INLIST_FOREACH(pd->segments, seg)
|
||||
{
|
||||
int len = seg->length;
|
||||
if (!pd->autofit)
|
||||
len = (double)seg->length * w / (double)pd->total_length;
|
||||
if (remained_w <= 0)
|
||||
break;
|
||||
w2 = w1 + len;
|
||||
if (w2 > w)
|
||||
w2 = w;
|
||||
if (seg->type == EFL_GFX_PATH_COMMAND_TYPE_LINE_TO)
|
||||
{
|
||||
drawn_slice += 1;
|
||||
_text_on_line_draw(pd, w1, w2, cur_map_point, map, seg->line);
|
||||
cur_map_point += 4;
|
||||
}
|
||||
else
|
||||
{
|
||||
int slice_no;
|
||||
slice_no = pd->slice_no * seg->length / (double)pd->total_length;
|
||||
if (slice_no == 0)
|
||||
slice_no = len * slice_unit + 1;
|
||||
if (remained_w == 0)
|
||||
slice_no = total_slice - drawn_slice;
|
||||
drawn_slice += slice_no;
|
||||
_segment_draw(pd, slice_no, w1, w2, cur_map_point, map, seg->bezier);
|
||||
cur_map_point += slice_no * 4;
|
||||
}
|
||||
w1 = w2;
|
||||
remained_w -= len;
|
||||
}
|
||||
evas_object_map_enable_set(pd->text_obj, EINA_TRUE);
|
||||
evas_object_map_set(pd->text_obj, map);
|
||||
evas_map_free(map);
|
||||
}
|
||||
|
||||
static void
|
||||
_path_data_get(Eo *obj, Efl_Ui_Textpath_Data *pd, Eina_Bool set_min)
|
||||
{
|
||||
const Efl_Gfx_Path_Command_Type *cmd;
|
||||
const double *points;
|
||||
Efl_Ui_Textpath_Segment *seg;
|
||||
|
||||
EINA_INLIST_FREE(pd->segments, seg)
|
||||
{
|
||||
pd->segments = eina_inlist_remove(pd->segments, EINA_INLIST_GET(seg));
|
||||
free(seg);
|
||||
}
|
||||
|
||||
Evas_Coord x, y;
|
||||
efl_gfx_position_get(obj, &x, &y);
|
||||
|
||||
pd->total_length = 0;
|
||||
efl_gfx_path_get(obj, &cmd, &points);
|
||||
if (cmd)
|
||||
{
|
||||
int pos = -1;
|
||||
Eina_Rectangle *rect = eina_rectangle_new(0, 0, 0, 0);
|
||||
|
||||
while (*cmd != EFL_GFX_PATH_COMMAND_TYPE_END)
|
||||
{
|
||||
double px0, py0, ctrl_x0, ctrl_y0, ctrl_x1, ctrl_y1, px1, py1;
|
||||
|
||||
if (*cmd == EFL_GFX_PATH_COMMAND_TYPE_MOVE_TO)
|
||||
{
|
||||
pos++;
|
||||
px0 = points[pos] + x;
|
||||
pos++;
|
||||
py0 = points[pos] + y;
|
||||
}
|
||||
else if (*cmd == EFL_GFX_PATH_COMMAND_TYPE_CUBIC_TO)
|
||||
{
|
||||
Eina_Bezier bz;
|
||||
double bx, by, bw, bh;
|
||||
|
||||
pos++;
|
||||
ctrl_x0 = points[pos] + x;
|
||||
pos++;
|
||||
ctrl_y0 = points[pos] + y;
|
||||
pos++;
|
||||
ctrl_x1 = points[pos] + x;
|
||||
pos++;
|
||||
ctrl_y1 = points[pos] + y;
|
||||
pos++;
|
||||
px1 = points[pos] + x;
|
||||
pos++;
|
||||
py1 = points[pos] + y;
|
||||
|
||||
eina_bezier_values_set(&bz, px0, py0, ctrl_x0, ctrl_y0, ctrl_x1, ctrl_y1, px1, py1);
|
||||
seg = malloc(sizeof(Efl_Ui_Textpath_Segment));
|
||||
if (!seg)
|
||||
{
|
||||
ERR("Failed to allocate segment");
|
||||
px0 = px1;
|
||||
py0 = py1;
|
||||
continue;
|
||||
}
|
||||
seg->length = eina_bezier_length_get(&bz);
|
||||
seg->bezier = bz;
|
||||
seg->type = EFL_GFX_PATH_COMMAND_TYPE_CUBIC_TO;
|
||||
pd->segments = eina_inlist_append(pd->segments, EINA_INLIST_GET(seg));
|
||||
pd->total_length += seg->length;
|
||||
|
||||
//move points
|
||||
px0 = px1;
|
||||
py0 = py1;
|
||||
|
||||
eina_bezier_bounds_get(&bz, &bx, &by, &bw, &bh);
|
||||
Eina_Rectangle *brect = eina_rectangle_new(bx, by, bw, bh);
|
||||
eina_rectangle_union(rect, brect);
|
||||
eina_rectangle_free(brect);
|
||||
}
|
||||
else if (*cmd == EFL_GFX_PATH_COMMAND_TYPE_LINE_TO)
|
||||
{
|
||||
pos++;
|
||||
px1 = points[pos] + x;
|
||||
pos++;
|
||||
py1 = points[pos] + y;
|
||||
|
||||
seg = malloc(sizeof(Efl_Ui_Textpath_Segment));
|
||||
if (!seg)
|
||||
{
|
||||
ERR("Failed to allocate segment");
|
||||
px0 = px1;
|
||||
py0 = py1;
|
||||
}
|
||||
seg->type = EFL_GFX_PATH_COMMAND_TYPE_LINE_TO;
|
||||
seg->line.start.x = px0;
|
||||
seg->line.start.y = py0;
|
||||
seg->line.end.x = px1;
|
||||
seg->line.end.y = py1;
|
||||
seg->length = sqrt((px1 - px0)*(px1 - px0) + (py1 - py0)*(py1 - py0));
|
||||
pd->segments = eina_inlist_append(pd->segments, EINA_INLIST_GET(seg));
|
||||
pd->total_length += seg->length;
|
||||
|
||||
Eina_Rectangle *lrect = eina_rectangle_new(px0, py0, px1 - px0, py1 - py0);
|
||||
eina_rectangle_union(rect, lrect);
|
||||
eina_rectangle_free(lrect);
|
||||
}
|
||||
cmd++;
|
||||
}
|
||||
if (set_min)
|
||||
{
|
||||
efl_gfx_size_hint_min_set(obj, rect->w, rect->h);
|
||||
}
|
||||
eina_rectangle_free(rect);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_sizing_eval(Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
_text_draw(pd);
|
||||
}
|
||||
|
||||
static void
|
||||
_textpath_ellipsis_set(Efl_Ui_Textpath_Data *pd, Eina_Bool enabled)
|
||||
{
|
||||
Eina_Strbuf *buf = eina_strbuf_new();
|
||||
const char *format;
|
||||
|
||||
edje_object_part_text_style_user_pop(pd->text_obj, "elm.text");
|
||||
if (enabled)
|
||||
{
|
||||
eina_strbuf_append_printf(buf, "DEFAULT='ellipsis=1.0'");
|
||||
format = eina_stringshare_add(eina_strbuf_string_get(buf));
|
||||
eina_strbuf_free(buf);
|
||||
edje_object_part_text_style_user_push(pd->text_obj, "elm.text", format);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
_ellipsis_set(Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
if (!pd->text_obj) return;
|
||||
|
||||
Evas_Coord w = 0, h = 0;
|
||||
Eina_Bool is_ellipsis = EINA_FALSE;
|
||||
const Evas_Object *tb;
|
||||
|
||||
tb = edje_object_part_object_get(pd->text_obj, "elm.text");
|
||||
evas_object_textblock_size_native_get(tb, &w, &h);
|
||||
evas_object_size_hint_min_set(pd->text_obj, w, h);
|
||||
if (pd->ellipsis)
|
||||
{
|
||||
if (w > pd->total_length)
|
||||
{
|
||||
is_ellipsis = EINA_TRUE;
|
||||
w = pd->total_length;
|
||||
}
|
||||
}
|
||||
efl_gfx_size_set(pd->text_obj, w, h);
|
||||
_textpath_ellipsis_set(pd, is_ellipsis);
|
||||
}
|
||||
|
||||
static void
|
||||
_path_changed_cb(void *data, const Efl_Event *event EINA_UNUSED)
|
||||
{
|
||||
EFL_UI_TEXTPATH_DATA_GET(data, sd);
|
||||
|
||||
_path_data_get(data, sd, EINA_TRUE);
|
||||
_sizing_eval(sd);
|
||||
}
|
||||
|
||||
static Eina_Bool
|
||||
_textpath_text_set_internal(Eo *obj, Efl_Ui_Textpath_Data *pd, const char *part, const char *text)
|
||||
{
|
||||
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
|
||||
Eina_Bool ret = EINA_TRUE;
|
||||
|
||||
if (!text) text = "";
|
||||
ret = edje_object_part_text_set(pd->text_obj, part, text);
|
||||
_ellipsis_set(pd);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_efl_canvas_group_group_calculate(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
_sizing_eval(pd);
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_efl_canvas_group_group_add(Eo *obj, Efl_Ui_Textpath_Data *priv)
|
||||
{
|
||||
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
|
||||
|
||||
efl_canvas_group_add(efl_super(obj, MY_CLASS));
|
||||
elm_widget_sub_object_parent_add(obj);
|
||||
|
||||
priv->text_obj = edje_object_add(evas_object_evas_get(obj));
|
||||
elm_widget_theme_object_set(obj, priv->text_obj, "textpath", "base",
|
||||
elm_widget_style_get(obj));
|
||||
efl_gfx_size_hint_weight_set(priv->text_obj, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
|
||||
efl_gfx_size_hint_align_set(priv->text_obj, EVAS_HINT_FILL, EVAS_HINT_FILL);
|
||||
efl_gfx_visible_set(priv->text_obj, EINA_TRUE);
|
||||
|
||||
evas_object_smart_member_add(priv->text_obj, obj);
|
||||
elm_widget_sub_object_add(obj, priv->text_obj);
|
||||
|
||||
efl_event_callback_add(obj, EFL_GFX_PATH_EVENT_CHANGED, _path_changed_cb, obj);
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_class_constructor(Efl_Class *klass)
|
||||
{
|
||||
evas_smart_legacy_type_register(MY_CLASS_NAME_LEGACY, klass);
|
||||
}
|
||||
|
||||
EOLIAN static Efl_Object *
|
||||
_efl_ui_textpath_efl_object_constructor(Eo *obj, Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
obj = efl_constructor(efl_super(obj, MY_CLASS));
|
||||
pd->autofit = EINA_TRUE;
|
||||
pd->slice_no = SLICE_DEFAULT_NO;
|
||||
pd->direction = EFL_UI_TEXTPATH_DIRECTION_CW;
|
||||
|
||||
return obj;
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_efl_object_destructor(Eo *obj, Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
Efl_Ui_Textpath_Segment *seg;
|
||||
|
||||
if (pd->text) free(pd->text);
|
||||
if (pd->text_obj) evas_object_del(pd->text_obj);
|
||||
EINA_INLIST_FREE(pd->segments, seg)
|
||||
{
|
||||
pd->segments = eina_inlist_remove(pd->segments, EINA_INLIST_GET(seg));
|
||||
free(seg);
|
||||
}
|
||||
|
||||
efl_destructor(efl_super(obj, MY_CLASS));
|
||||
}
|
||||
|
||||
EOLIAN static Eina_Bool
|
||||
_efl_ui_textpath_text_set(Eo *obj, Efl_Ui_Textpath_Data *pd, const char *part, const char *text)
|
||||
{
|
||||
return _textpath_text_set_internal(obj, pd, part, text);
|
||||
}
|
||||
|
||||
EOLIAN static const char *
|
||||
_efl_ui_textpath_text_get(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd, const char *part)
|
||||
{
|
||||
return edje_object_part_text_get(pd->text_obj, part);
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_efl_text_text_set(Eo *obj, Efl_Ui_Textpath_Data *pd, const char *text)
|
||||
{
|
||||
_textpath_text_set_internal(obj, pd, "elm.text", text);
|
||||
}
|
||||
|
||||
EOLIAN static const char *
|
||||
_efl_ui_textpath_efl_text_text_get(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
return edje_object_part_text_get(pd->text_obj, "elm.text");
|
||||
}
|
||||
|
||||
EOLIAN static Efl_Ui_Theme_Apply
|
||||
_efl_ui_textpath_elm_widget_theme_apply(Eo *obj, Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
Efl_Ui_Theme_Apply ret = EFL_UI_THEME_APPLY_FAILED;
|
||||
|
||||
ret = elm_obj_widget_theme_apply(efl_super(obj, MY_CLASS));
|
||||
if (!ret) return EFL_UI_THEME_APPLY_FAILED;
|
||||
|
||||
elm_widget_theme_object_set(obj, pd->text_obj, "textpath", "base",
|
||||
elm_widget_style_get(obj));
|
||||
_ellipsis_set(pd);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_efl_gfx_position_set(Eo *obj, Efl_Ui_Textpath_Data *pd, Evas_Coord x, Evas_Coord y)
|
||||
{
|
||||
efl_gfx_position_set(efl_super(obj, MY_CLASS), x, y);
|
||||
_path_data_get(obj, pd, EINA_FALSE);
|
||||
_text_draw(pd);
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_efl_gfx_size_set(Eo *obj, Efl_Ui_Textpath_Data *pd EINA_UNUSED, Evas_Coord w, Evas_Coord h)
|
||||
{
|
||||
efl_gfx_size_set(efl_super(obj, MY_CLASS), w, h);
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_circle_set(Eo *obj, Efl_Ui_Textpath_Data *pd, double x, double y, double radius, double start_angle, Efl_Ui_Textpath_Direction direction)
|
||||
{
|
||||
if (pd->circle.x == x && pd->circle.y == y &&
|
||||
pd->circle.radius == radius &&
|
||||
pd->circle.start_angle == start_angle &&
|
||||
pd->direction == direction &&
|
||||
_map_point_calc(pd) > 0)
|
||||
{
|
||||
ERR("Same circle");
|
||||
return;
|
||||
}
|
||||
pd->circle.x = x;
|
||||
pd->circle.y = y;
|
||||
pd->circle.radius = radius;
|
||||
pd->circle.start_angle = start_angle;
|
||||
pd->direction = direction;
|
||||
|
||||
efl_gfx_path_reset(obj);
|
||||
if (direction == EFL_UI_TEXTPATH_DIRECTION_CW)
|
||||
{
|
||||
efl_gfx_path_append_arc(obj, x - radius, y - radius, radius * 2,
|
||||
radius * 2, start_angle, -360);
|
||||
}
|
||||
else
|
||||
{
|
||||
efl_gfx_path_append_arc(obj, x - radius, y - radius, radius * 2,
|
||||
radius * 2, start_angle, 360);
|
||||
}
|
||||
|
||||
_sizing_eval(pd);
|
||||
}
|
||||
|
||||
EOLIAN static Eina_Bool
|
||||
_efl_ui_textpath_autofit_get(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
return pd->autofit;
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_autofit_set(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd, Eina_Bool autofit)
|
||||
{
|
||||
if (pd->autofit == autofit) return;
|
||||
pd->autofit = autofit;
|
||||
_sizing_eval(pd);
|
||||
}
|
||||
|
||||
EOLIAN static int
|
||||
_efl_ui_textpath_slice_number_get(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
return pd->slice_no;
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_slice_number_set(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd, int slice_no)
|
||||
{
|
||||
if (pd->slice_no == slice_no) return;
|
||||
pd->slice_no = slice_no;
|
||||
_sizing_eval(pd);
|
||||
}
|
||||
|
||||
EOLIAN static void
|
||||
_efl_ui_textpath_ellipsis_set(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd, Eina_Bool ellipsis)
|
||||
{
|
||||
if (pd->ellipsis == ellipsis) return;
|
||||
pd->ellipsis = ellipsis;
|
||||
|
||||
_ellipsis_set(pd);
|
||||
_sizing_eval(pd);
|
||||
}
|
||||
|
||||
EOLIAN static Eina_Bool
|
||||
_efl_ui_textpath_ellipsis_get(Eo *obj EINA_UNUSED, Efl_Ui_Textpath_Data *pd)
|
||||
{
|
||||
return pd->ellipsis;
|
||||
}
|
||||
|
||||
/* Efl.Part begin */
|
||||
ELM_PART_OVERRIDE(efl_ui_textpath, EFL_UI_TEXTPATH, EFL_UI_LAYOUT, Efl_Ui_Textpath_Data, Elm_Part_Data)
|
||||
ELM_PART_OVERRIDE_TEXT_SET(efl_ui_textpath, EFL_UI_TEXTPATH, EFL_UI_LAYOUT, Efl_Ui_Textpath_Data, Elm_Part_Data)
|
||||
ELM_PART_OVERRIDE_TEXT_GET(efl_ui_textpath, EFL_UI_TEXTPATH, EFL_UI_LAYOUT, Efl_Ui_Textpath_Data, Elm_Part_Data)
|
||||
#include "efl_ui_textpath_internal_part.eo.c"
|
||||
/* Efl.Part end */
|
||||
|
||||
#define EFL_UI_TEXTPATH_EXTRA_OPS \
|
||||
EFL_CANVAS_GROUP_ADD_OPS(efl_ui_textpath)
|
||||
|
||||
#include "efl_ui_textpath.eo.c"
|
||||
|
|
@ -0,0 +1,59 @@
|
|||
enum Efl.Ui.Textpath.Direction {
|
||||
cw,
|
||||
ccw
|
||||
}
|
||||
|
||||
class Efl.Ui.Textpath (Efl.Ui.Layout, Efl.Object, Efl.Text, Efl.Gfx.Path)
|
||||
{
|
||||
[[Efl Ui Textpath class]]
|
||||
legacy_prefix: elm_textpath;
|
||||
methods {
|
||||
circle_set {
|
||||
[[Set a circle with given center, radius, and start angle.]]
|
||||
params {
|
||||
@in x: double;
|
||||
@in y: double;
|
||||
@in radius: double;
|
||||
@in start_angle: double;
|
||||
@in direction: Efl.Ui.Textpath.Direction;
|
||||
}
|
||||
}
|
||||
@property autofit {
|
||||
[[The ability to fit the text within the path.
|
||||
Set it to EINA_TRUE to let text occupy only portion
|
||||
same as its size. Otherwise, text will occupied the whole path.
|
||||
By default, it is EINA_TRUE.]]
|
||||
values {
|
||||
autofit: bool;
|
||||
}
|
||||
}
|
||||
@property slice_number {
|
||||
[[The number of slices. The larger the number of slice_num is,
|
||||
The better the text follows the path.]]
|
||||
values {
|
||||
slice_no: int;
|
||||
}
|
||||
}
|
||||
@property ellipsis {
|
||||
[[Control the ellipsis behavior of the textpath.]]
|
||||
set {
|
||||
}
|
||||
get {
|
||||
}
|
||||
values {
|
||||
ellipsis: bool; [[To ellipsis text or not]]
|
||||
}
|
||||
}
|
||||
}
|
||||
implements {
|
||||
class.constructor;
|
||||
Efl.Object.constructor;
|
||||
Efl.Object.destructor;
|
||||
Efl.Canvas.Group.group_calculate;
|
||||
Efl.Text.text {get; set;}
|
||||
Efl.Part.part;
|
||||
Elm.Widget.theme_apply;
|
||||
Efl.Gfx.position { set; }
|
||||
Efl.Gfx.size { set; }
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
class Efl.Ui.Textpath.Internal.Part (Efl.Ui.Layout.Internal.Part, Efl.Text)
|
||||
{
|
||||
[[Efl UI Textpath internal part class]]
|
||||
data: null;
|
||||
implements {
|
||||
Efl.Text.text { set; get; }
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue