forked from enlightenment/efl
309 lines
9.4 KiB
C
309 lines
9.4 KiB
C
/**
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* Simple Elementary's <b>progress bar widget</b> example, illustrating its
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* usage and API.
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*
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* See stdout/stderr for output. Compile with:
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*
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* @verbatim
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* gcc -g progressbar_example.c -o progressbar_example `pkg-config --cflags --libs elementary`
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* @endverbatim
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*/
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#include <Elementary.h>
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#include <time.h>
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typedef struct Progressbar_Example
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{
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Evas_Object *pb1;
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Evas_Object *pb2; /* pulsing */
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Evas_Object *pb3;
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Evas_Object *pb4;
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Evas_Object *pb5;
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Evas_Object *pb6; /* pulsing */
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Evas_Object *pb7;
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Evas_Object *pb8; /* pulsing */
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Eina_Bool run;
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Ecore_Timer *timer;
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} Progressbar_Example;
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static Progressbar_Example example_data;
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static Eina_Bool
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_progressbar_example_value_set(void *data EINA_UNUSED)
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{
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double progress;
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progress = elm_progressbar_value_get(example_data.pb1);
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if (progress < 1.0) progress += 0.0123;
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else progress = 0.0;
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/* just the non-pulsing ones need an update */
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elm_progressbar_value_set(example_data.pb1, progress);
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elm_progressbar_value_set(example_data.pb3, progress);
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elm_progressbar_value_set(example_data.pb4, progress);
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elm_progressbar_value_set(example_data.pb5, progress);
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elm_progressbar_value_set(example_data.pb7, progress);
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if (progress < 1.0) return ECORE_CALLBACK_RENEW;
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example_data.run = 0;
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return ECORE_CALLBACK_CANCEL;
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}
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static void
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_progressbar_example_start(void *data EINA_UNUSED,
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Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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elm_progressbar_pulse(example_data.pb2, EINA_TRUE);
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elm_progressbar_pulse(example_data.pb6, EINA_TRUE);
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elm_progressbar_pulse(example_data.pb8, EINA_TRUE);
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if (!example_data.run)
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{
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example_data.timer = ecore_timer_add(
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0.1, _progressbar_example_value_set, NULL);
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example_data.run = EINA_TRUE;
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}
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}
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/* end of show */
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static void
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_progressbar_example_stop(void *data EINA_UNUSED,
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Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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elm_progressbar_pulse(example_data.pb2, EINA_FALSE);
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elm_progressbar_pulse(example_data.pb6, EINA_FALSE);
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elm_progressbar_pulse(example_data.pb8, EINA_FALSE);
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if (example_data.run)
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{
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ecore_timer_del(example_data.timer);
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example_data.run = EINA_FALSE;
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}
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}
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/* Format callback */
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static char *
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_progress_format_cb(double val)
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{
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static char buf[30];
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int files = (1-val)*14000;
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if (snprintf(buf, 30, "%i files left", files) > 0)
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return strdup(buf);
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return NULL;
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}
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static void
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_progress_format_free(char *str)
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{
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free(str);
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}
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/* Callback for "changed" signal */
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static void
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_on_changed(void *data,
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Evas_Object *obj,
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void *event_info EINA_UNUSED)
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{
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static char buf[30];
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static time_t tstart = 0;
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static double eta = 0;
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time_t tdiff;
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double val;
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Evas_Object *label = (Evas_Object *)data;
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val = elm_progressbar_value_get(obj);
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if (val == 0)
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{
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tstart = 0;
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elm_object_text_set(label, "ETA: N/A");
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return;
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}
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/* First invocation */
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if (tstart == 0)
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{
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tstart = time(NULL);
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}
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/* Calculate ETA and update */
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tdiff = time(NULL) - tstart;
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eta = 0.3*eta + 0.7*(tdiff/val)*(1-val);
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snprintf(buf, 30, "ETA: %.0fs", eta);
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elm_object_text_set(label, buf);
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}
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static void
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_on_done(void *data EINA_UNUSED,
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Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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_progressbar_example_stop(NULL, NULL, NULL);
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elm_exit();
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}
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EAPI_MAIN int
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elm_main(int argc EINA_UNUSED,
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char **argv EINA_UNUSED)
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{
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Evas_Object *win, *pb, *bx, *hbx, *bt, *bt_bx, *ic1, *ic2, *label;
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char buf[PATH_MAX];
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elm_app_info_set(elm_main, "elementary", "images/logo_small.png");
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win = elm_win_util_standard_add("progressbar", "Progress bar example");
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evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
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bx = elm_box_add(win);
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evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_win_resize_object_add(win, bx);
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evas_object_show(bx);
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/* pb with no label, default unit label and no icon */
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pb = elm_progressbar_add(win);
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evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
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elm_box_pack_end(bx, pb);
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evas_object_show(pb);
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example_data.pb1 = pb;
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/* pb with label, and set to pulse */
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pb = elm_progressbar_add(win);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
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evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_object_text_set(pb, "Infinite bounce");
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elm_progressbar_pulse_set(pb, EINA_TRUE);
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elm_box_pack_end(bx, pb);
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evas_object_show(pb);
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example_data.pb2 = pb;
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ic1 = elm_icon_add(win);
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snprintf(buf, sizeof(buf), "%s/images/logo_small.png", elm_app_data_dir_get());
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elm_image_file_set(ic1, buf, NULL);
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evas_object_size_hint_aspect_set(ic1, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
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/* pb with label, icon, custom unit label function and span size set */
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pb = elm_progressbar_add(win);
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elm_object_text_set(pb, "Label");
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elm_object_part_content_set(pb, "icon", ic1);
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elm_progressbar_inverted_set(pb, EINA_TRUE);
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elm_progressbar_unit_format_function_set(pb, _progress_format_cb,
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_progress_format_free);
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elm_progressbar_span_size_set(pb, 200);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
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evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_box_pack_end(bx, pb);
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evas_object_show(ic1);
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evas_object_show(pb);
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example_data.pb3 = pb;
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/* pb with label and changed trigger */
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pb = elm_progressbar_add(win);
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elm_object_text_set(pb, "Label");
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
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evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_box_pack_end(bx, pb);
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evas_object_show(pb);
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label = elm_label_add(win);
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elm_object_text_set(label, "ETA: N/A");
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evas_object_size_hint_align_set(label, 0.5, 0.5);
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evas_object_size_hint_weight_set(label, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_box_pack_end(bx, label);
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evas_object_show(label);
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evas_object_smart_callback_add(pb, "changed", _on_changed, label);
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example_data.pb4 = pb;
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hbx = elm_box_add(win);
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elm_box_horizontal_set(hbx, EINA_TRUE);
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evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(bx, hbx);
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evas_object_show(hbx);
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/* vertical pb */
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pb = elm_progressbar_add(win);
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elm_progressbar_horizontal_set(pb, EINA_FALSE);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_box_pack_end(hbx, pb);
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elm_object_text_set(pb, "percent");
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evas_object_show(pb);
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example_data.pb5 = pb;
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/* vertical pb, with pulse and custom (small) span size */
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pb = elm_progressbar_add(win);
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elm_progressbar_horizontal_set(pb, EINA_FALSE);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
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evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_progressbar_span_size_set(pb, 80);
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elm_progressbar_pulse_set(pb, EINA_TRUE);
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elm_progressbar_unit_format_set(pb, NULL);
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elm_object_text_set(pb, "Infinite bounce");
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elm_box_pack_end(hbx, pb);
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evas_object_show(pb);
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example_data.pb6 = pb;
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ic2 = elm_icon_add(win);
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elm_image_file_set(ic2, buf, NULL);
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evas_object_size_hint_aspect_set(ic2, EVAS_ASPECT_CONTROL_HORIZONTAL, 1, 1);
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/* vertical pb, inverted, with custom unit format and icon*/
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pb = elm_progressbar_add(win);
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elm_progressbar_horizontal_set(pb, EINA_FALSE);
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elm_object_text_set(pb, "Label");
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elm_object_part_content_set(pb, "icon", ic2);
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elm_progressbar_inverted_set(pb, EINA_TRUE);
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elm_progressbar_unit_format_set(pb, "%1.2f%%");
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elm_progressbar_span_size_set(pb, 200);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
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evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_box_pack_end(hbx, pb);
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evas_object_show(ic2);
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evas_object_show(pb);
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example_data.pb7 = pb;
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/* "wheel" style progress bar */
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pb = elm_progressbar_add(win);
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elm_object_style_set(pb, "wheel");
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elm_object_text_set(pb, "Style: wheel");
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elm_progressbar_pulse_set(pb, EINA_TRUE);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, 0.5);
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evas_object_size_hint_weight_set(pb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_box_pack_end(bx, pb);
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evas_object_show(pb);
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example_data.pb8 = pb;
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bt_bx = elm_box_add(win);
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elm_box_horizontal_set(bt_bx, EINA_TRUE);
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evas_object_size_hint_weight_set(bt_bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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elm_box_pack_end(bx, bt_bx);
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evas_object_show(bt_bx);
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bt = elm_button_add(win);
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elm_object_text_set(bt, "Start");
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evas_object_smart_callback_add(bt, "clicked", _progressbar_example_start,
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NULL);
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elm_box_pack_end(bt_bx, bt);
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evas_object_show(bt);
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bt = elm_button_add(win);
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elm_object_text_set(bt, "Stop");
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evas_object_smart_callback_add(bt, "clicked", _progressbar_example_stop,
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NULL);
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elm_box_pack_end(bt_bx, bt);
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evas_object_show(bt);
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evas_object_show(win);
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elm_run();
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return 0;
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}
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ELM_MAIN()
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