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<title>Edje Text example</title>
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Edje Documentation <small>at Sat Jan 25 2014</small>
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<div class="title">Edje Text example </div> </div>
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<div class="contents">
<div class="textblock"><p>This example shows how to manipulate TEXT and TEXTBLOCK parts from code.</p>
<p>The very first we are going to do is register a callback to react to changes in the text of our parts: <div class="fragment"><div class="line"> <a class="code" href="Edje_8h.html#a4dc8b9215cc1aec6c7f427637be4897b">edje_object_text_change_cb_set</a>(edje_obj, _on_text_change, NULL);</div>
</div><!-- fragment --></p>
<div class="fragment"><div class="line">_on_text_change(<span class="keywordtype">void</span> *data __UNUSED__, Evas_Object *obj, <span class="keyword">const</span> <span class="keywordtype">char</span> *part)</div>
</div><!-- fragment --> </p>
<dl class="section note"><dt>Note</dt><dd>Since edje_obj represent a group we'll be notified whenever any part's text in that group changes.</dd></dl>
<p>We now set the text for two our two parts: <div class="fragment"><div class="line"> <a class="code" href="Edje_8h.html#a9c06f3ce99e722e1cec2e9dc1bdb869e">edje_object_part_text_set</a>(edje_obj, <span class="stringliteral">"part_one"</span>, <span class="stringliteral">"one"</span>);</div>
<div class="line"> <a class="code" href="Edje_8h.html#a9c06f3ce99e722e1cec2e9dc1bdb869e">edje_object_part_text_set</a>(edje_obj, <span class="stringliteral">"part_two"</span>, <span class="stringliteral">"<b>two"</span>);</div>
</div><!-- fragment --> </p>
<dl class="section note"><dt>Note</dt><dd>Since the "part_two" part is a TEXTBLOCK we can use formatting such as <b></dd></dl>
<p>And we now move on to selection issues, first thing we do is make sure the user can select text: <div class="fragment"><div class="line"> <a class="code" href="Edje_8h.html#aeb19dc2a6b9e2acb642ce9e7cb42800e">edje_object_part_text_select_allow_set</a>(edje_obj, <span class="stringliteral">"part_two"</span>, EINA_TRUE);</div>
</div><!-- fragment --></p>
<p>We then select the entire text, and print the selected text: <div class="fragment"><div class="line"> printf(<span class="stringliteral">"selection: %s\n"</span>, <a class="code" href="Edje_8h.html#af5f9e4d91da9c8c1c2c648adeb2ffb90">edje_object_part_text_selection_get</a>(edje_obj, <span class="stringliteral">"part_two"</span>));</div>
</div><!-- fragment --></p>
<p>We now unselect the entire text(set selection to none), and print the selected text: <div class="fragment"><div class="line"> <a class="code" href="Edje_8h.html#a02db21cf68de9d10876852894f4a945c">edje_object_part_text_select_none</a>(edje_obj, <span class="stringliteral">"part_two"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"selection: %s\n"</span>, <a class="code" href="Edje_8h.html#af5f9e4d91da9c8c1c2c648adeb2ffb90">edje_object_part_text_selection_get</a>(edje_obj, <span class="stringliteral">"part_two"</span>));</div>
</div><!-- fragment --></p>
<p>Our example will look like this:</p>
<div class="image">
<img src="edje-text.png" alt="edje-text.png"/>
</div>
<p>The full source code follows: </p>
<div class="fragment"><div class="line"></div>
<div class="line"><span class="preprocessor">#ifdef HAVE_CONFIG_H</span></div>
<div class="line"><span class="preprocessor"></span><span class="preprocessor"># include "config.h"</span></div>
<div class="line"><span class="preprocessor">#else</span></div>
<div class="line"><span class="preprocessor"></span><span class="preprocessor"># define __UNUSED__</span></div>
<div class="line"><span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="preprocessor">#include <Ecore.h></span></div>
<div class="line"><span class="preprocessor">#include <Ecore_Evas.h></span></div>
<div class="line"><span class="preprocessor">#include <<a class="code" href="Edje_8h.html">Edje.h</a>></span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#define WIDTH (300)</span></div>
<div class="line"><span class="preprocessor"></span><span class="preprocessor">#define HEIGHT (300)</span></div>
<div class="line"><span class="preprocessor"></span></div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line">_on_delete(Ecore_Evas *ee __UNUSED__)</div>
<div class="line">{</div>
<div class="line"> ecore_main_loop_quit();</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line">_on_text_change(<span class="keywordtype">void</span> *data __UNUSED__, Evas_Object *obj, <span class="keyword">const</span> <span class="keywordtype">char</span> *part)</div>
<div class="line">{</div>
<div class="line"> printf(<span class="stringliteral">"text: %s\n"</span>, <a class="code" href="Edje_8h.html#aa657b81ededab719fa0d7726bd105645">edje_object_part_text_unescaped_get</a>(obj, part));</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">int</span></div>
<div class="line">main(<span class="keywordtype">int</span> argc __UNUSED__, <span class="keywordtype">char</span> *argv[])</div>
<div class="line">{</div>
<div class="line"> <span class="keywordtype">char</span> edje_file_path[PATH_MAX];</div>
<div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *edje_file = <span class="stringliteral">"text.edj"</span>;</div>
<div class="line"> Ecore_Evas *ee;</div>
<div class="line"> Evas *evas;</div>
<div class="line"> Evas_Object *bg;</div>
<div class="line"> Evas_Object *edje_obj;</div>
<div class="line"> Eina_Prefix *pfx;</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">if</span> (!ecore_evas_init())</div>
<div class="line"> <span class="keywordflow">return</span> EXIT_FAILURE;</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">if</span> (!<a class="code" href="Edje_8h.html#a18ea124be2b5f786aff0f2c3ba87883e">edje_init</a>())</div>
<div class="line"> <span class="keywordflow">goto</span> shutdown_ecore_evas;</div>
<div class="line"></div>
<div class="line"> pfx = eina_prefix_new(argv[0], main,</div>
<div class="line"> <span class="stringliteral">"EDJE_EXAMPLES"</span>,</div>
<div class="line"> <span class="stringliteral">"edje/examples"</span>,</div>
<div class="line"> edje_file,</div>
<div class="line"> PACKAGE_BIN_DIR,</div>
<div class="line"> PACKAGE_LIB_DIR,</div>
<div class="line"> PACKAGE_DATA_DIR,</div>
<div class="line"> PACKAGE_DATA_DIR);</div>
<div class="line"> <span class="keywordflow">if</span> (!pfx)</div>
<div class="line"> <span class="keywordflow">goto</span> shutdown_edje;</div>
<div class="line"></div>
<div class="line"> <span class="comment">/* this will give you a window with an Evas canvas under the first</span></div>
<div class="line"><span class="comment"> * engine available */</span></div>
<div class="line"> ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);</div>
<div class="line"> <span class="keywordflow">if</span> (!ee)</div>
<div class="line"> <span class="keywordflow">goto</span> free_prefix;</div>
<div class="line"></div>
<div class="line"> ecore_evas_callback_delete_request_set(ee, _on_delete);</div>
<div class="line"> ecore_evas_title_set(ee, <span class="stringliteral">"Edje text Example"</span>);</div>
<div class="line"></div>
<div class="line"> evas = ecore_evas_get(ee);</div>
<div class="line"></div>
<div class="line"> bg = evas_object_rectangle_add(evas);</div>
<div class="line"> evas_object_color_set(bg, 255, 255, 255, 255); <span class="comment">/* white bg */</span></div>
<div class="line"> evas_object_move(bg, 0, 0); <span class="comment">/* at canvas' origin */</span></div>
<div class="line"> evas_object_resize(bg, WIDTH, HEIGHT); <span class="comment">/* covers full canvas */</span></div>
<div class="line"> evas_object_show(bg);</div>
<div class="line"> ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);</div>
<div class="line"></div>
<div class="line"> edje_obj = <a class="code" href="Edje_8h.html#a8cb00e5256fd50487f0669bc3bf9b8e0">edje_object_add</a>(evas);</div>
<div class="line"></div>
<div class="line"> snprintf(edje_file_path, <span class="keyword">sizeof</span>(edje_file_path),</div>
<div class="line"> <span class="stringliteral">"%s/examples/%s"</span>, eina_prefix_data_get(pfx), edje_file);</div>
<div class="line"> <a class="code" href="Edje_8h.html#ab375d28c2726ccc32165b66b64abfc0a">edje_object_file_set</a>(edje_obj, edje_file_path, <span class="stringliteral">"example_group"</span>);</div>
<div class="line"> evas_object_move(edje_obj, 20, 20);</div>
<div class="line"> evas_object_resize(edje_obj, WIDTH - 40, HEIGHT - 40);</div>
<div class="line"> evas_object_show(edje_obj);</div>
<div class="line"></div>
<div class="line"> <a class="code" href="Edje_8h.html#a4dc8b9215cc1aec6c7f427637be4897b">edje_object_text_change_cb_set</a>(edje_obj, _on_text_change, NULL);</div>
<div class="line"> <a class="code" href="Edje_8h.html#a9c06f3ce99e722e1cec2e9dc1bdb869e">edje_object_part_text_set</a>(edje_obj, <span class="stringliteral">"part_one"</span>, <span class="stringliteral">"one"</span>);</div>
<div class="line"> <a class="code" href="Edje_8h.html#a9c06f3ce99e722e1cec2e9dc1bdb869e">edje_object_part_text_set</a>(edje_obj, <span class="stringliteral">"part_two"</span>, <span class="stringliteral">"<b>two"</span>);</div>
<div class="line"></div>
<div class="line"> <a class="code" href="Edje_8h.html#aeb19dc2a6b9e2acb642ce9e7cb42800e">edje_object_part_text_select_allow_set</a>(edje_obj, <span class="stringliteral">"part_two"</span>, EINA_TRUE);</div>
<div class="line"> <a class="code" href="Edje_8h.html#a86e7f8857d80198a65762e225c72a880">edje_object_part_text_select_all</a>(edje_obj, <span class="stringliteral">"part_two"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"selection: %s\n"</span>, <a class="code" href="Edje_8h.html#af5f9e4d91da9c8c1c2c648adeb2ffb90">edje_object_part_text_selection_get</a>(edje_obj, <span class="stringliteral">"part_two"</span>));</div>
<div class="line"> <a class="code" href="Edje_8h.html#a02db21cf68de9d10876852894f4a945c">edje_object_part_text_select_none</a>(edje_obj, <span class="stringliteral">"part_two"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"selection: %s\n"</span>, <a class="code" href="Edje_8h.html#af5f9e4d91da9c8c1c2c648adeb2ffb90">edje_object_part_text_selection_get</a>(edje_obj, <span class="stringliteral">"part_two"</span>));</div>
<div class="line"></div>
<div class="line"> ecore_evas_show(ee);</div>
<div class="line"></div>
<div class="line"> ecore_main_loop_begin();</div>
<div class="line"></div>
<div class="line"> eina_prefix_free(pfx);</div>
<div class="line"> ecore_evas_free(ee);</div>
<div class="line"> ecore_evas_shutdown();</div>
<div class="line"> <a class="code" href="Edje_8h.html#af1529d06494668cf647e3160b48a0e2b">edje_shutdown</a>();</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">return</span> EXIT_SUCCESS;</div>
<div class="line"></div>
<div class="line"> free_prefix:</div>
<div class="line"> eina_prefix_free(pfx);</div>
<div class="line"> shutdown_edje:</div>
<div class="line"> <a class="code" href="Edje_8h.html#af1529d06494668cf647e3160b48a0e2b">edje_shutdown</a>();</div>
<div class="line"> shutdown_ecore_evas:</div>
<div class="line"> ecore_evas_shutdown();</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">return</span> EXIT_FAILURE;</div>
<div class="line">}</div>
</div><!-- fragment --><p>The theme used in this example is: </p>
<div class="fragment"><div class="line">collections {</div>
<div class="line"> group {</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>: <span class="stringliteral">"sel_group"</span>;</div>
<div class="line"> parts {</div>
<div class="line"> part {</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>: <span class="stringliteral">"rect"</span>;</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a0dae2edc8bfd2bedabfa38415c35f3ec">type</a>: RECT;</div>
<div class="line"> description {</div>
<div class="line"> state: <span class="stringliteral">"default"</span> 0.0;</div>
<div class="line"> color: 0 255 0 255; <span class="comment">/* green */</span></div>
<div class="line"> rel1.relative: 0.0 0.0;</div>
<div class="line"> rel2.relative: 1.0 1.0;</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> group {</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>: <span class="stringliteral">"example_group"</span>;</div>
<div class="line"> max: 500 500;</div>
<div class="line"> min: 50 50;</div>
<div class="line"></div>
<div class="line"> styles {</div>
<div class="line"> style {</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>: <span class="stringliteral">"textblock_style"</span>;</div>
<div class="line"> base: <span class="stringliteral">"font=Sans font_size=22 color=#600 wrap=word"</span>;</div>
<div class="line"> tag: <span class="stringliteral">"br"</span> <span class="stringliteral">"\n"</span>;</div>
<div class="line"> tag: <span class="stringliteral">"hilight"</span> <span class="stringliteral">"+ font_weight=Bold"</span>;</div>
<div class="line"> tag: <span class="stringliteral">"b"</span> <span class="stringliteral">"+ font_weight=Bold"</span>;</div>
<div class="line"> tag: <span class="stringliteral">"tab"</span> <span class="stringliteral">"\t"</span>;</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> parts {</div>
<div class="line"> part {</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>: <span class="stringliteral">"part_one"</span>;</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a0dae2edc8bfd2bedabfa38415c35f3ec">type</a>: TEXT;</div>
<div class="line"> description {</div>
<div class="line"> min: 50 50;</div>
<div class="line"> state: <span class="stringliteral">"default"</span> 0.0;</div>
<div class="line"> color: 0 0 255 255; <span class="comment">/* blue */</span></div>
<div class="line"> rel1.relative: 0.0 0.0;</div>
<div class="line"> rel2.relative: 1.0 0.5;</div>
<div class="line"> text {</div>
<div class="line"> font: <span class="stringliteral">"arial"</span>;</div>
<div class="line"> size: 22;</div>
<div class="line"> min: 1 1;</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> part {</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>: <span class="stringliteral">"part_two"</span>;</div>
<div class="line"> <a class="code" href="edje__data_8c.html#a0dae2edc8bfd2bedabfa38415c35f3ec">type</a>: TEXTBLOCK;</div>
<div class="line"> select_mode: EXPLICIT;</div>
<div class="line"> source: <span class="stringliteral">"sel_group"</span>;</div>
<div class="line"> entry_mode: PLAIN;</div>
<div class="line"> description {</div>
<div class="line"> min: 50 50;</div>
<div class="line"> state: <span class="stringliteral">"default"</span> 0.0;</div>
<div class="line"> rel1.relative: 0.0 0.5;</div>
<div class="line"> rel2.relative: 1.0 1.0;</div>
<div class="line"> text {</div>
<div class="line"> style: <span class="stringliteral">"textblock_style"</span>;</div>
<div class="line"> min: 1 1;</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line">}</div>
</div><!-- fragment --><p>To compile use this command: </p>
<pre class="fragment">* gcc -o edje-text edje-text.c -DPACKAGE_BIN_DIR=\"/Where/enlightenment/is/installed/bin\" -DPACKAGE_LIB_DIR=\"/Where/enlightenment/is/installed/lib\"
* -DPACKAGE_DATA_DIR=\"/Where/enlightenment/is/installed/share\"
* `pkg-config --cflags --libs evas ecore ecore-evas edje`
*
* edje_cc text.edc
* </pre> </div></div><!-- contents -->
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