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<a href="button_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/**************************************************************************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">* Project: discoverpixy</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">* Website: https://github.com/t-moe/discoverpixy</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">* Authors: Aaron Schmocker, Timo Lang</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">* Institution: BFH Bern University of Applied Sciences</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">* File: common/gui/button.c</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">*</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">* Version History:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">* Date Autor Email SHA Changes</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">* 2015-04-27 timolang@gmail.com 7c9eabc Added button support.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">* 2015-05-17 timolang@gmail.com 2d46336 Improved comments in implementation of button, checkbox, numupdown, tft, touch and screen modules/submodules.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">*</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">**************************************************************************************************************************************/</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="tft_8h.html">tft.h</a>&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="touch_8h.html">touch.h</a>&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="button_8h.html">button.h</a>&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment">/* The Idea is as follows:</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> * When the user add&#39;s a button we create a touch area for that region and wait for PEN_DOWN events.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * Once the user puts the pen down in this area we&#39;ll redraw the button with different shadows (feedback)</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> * and we&#39;ll now wait on PEN_UP or PEN_LEAVE events.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment"> * If the user takes the pen away while in the area (PEN_UP), we call the provided user callback</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment"> * Otherwise (PEN_LEAVE) we only restore the initial shadows</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">/* Possible improvements:</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment"> * Move the button by 1 pixel while he is pressed, to create a &quot;full 3d&quot; experience</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="comment"> * Add events for the case when the button is pressed for a long time, without release</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">//Method to calculate the shadow colors used to create the &quot;3d&quot; effect</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="button_8c.html#a05bb88dac6f60063eae2bb67dda1f4e8"> 34</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="button_8c.html#a05bb88dac6f60063eae2bb67dda1f4e8">calculate_shadows</a>(uint16_t bgcolor, uint16_t* light_shadow, uint16_t* dark_shadow)</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;{</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor">#define BRIGHTNESS_VAL 3 //How much the Brightness is in/decreased for button shadows (3 -&gt; Add/Subtract 1/3 off Full Value)</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; uint16_t c_light, c_dark; <span class="comment">//c_light and c_dark will be filled with a lighter and a darker color as the background color (for the shadows)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; uint8_t r, g, b;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="comment">//separate the channels of the 16-bit rgb565 color</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; r = (bgcolor &amp; 0xF800) &gt;&gt; 11;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; g = (bgcolor &amp; 0x07E0) &gt;&gt; 5;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; b = (bgcolor &amp; 0x001F) &gt;&gt; 0;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="comment">//For the light shadow color:</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordflow">if</span> ((r + 0x1F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &gt; 0x1F) { <span class="comment">//Adding one third would exceed the maximum of the red channel</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; c_light = 0xF800; <span class="comment">//Use full red</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; } <span class="keywordflow">else</span> { <span class="comment">//adding one third to the red channel is fine</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; c_light = (r + 0x1F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &lt;&lt; 11; <span class="comment">//Use same red as in the background, but add one third</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordflow">if</span> ((g + 0x3F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &gt; 0x3F) { <span class="comment">//same for the green channel</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; c_light |= 0x07E0;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; c_light |= (g + 0x3F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &lt;&lt; 5;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">if</span> ((b + 0x1F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &gt; 0x1F) { <span class="comment">//and the blue channel</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; c_light |= 0x0018;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; c_light |= (b + 0x1F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &lt;&lt; 0;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="comment">//For the dark shadow color</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">if</span> (r &gt; (0x1F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>)) { <span class="comment">//Subtracting one third would NOT exceed the minimum of the red channel</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; c_dark = (r - 0x1F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &lt;&lt; 11; <span class="comment">//Use same red as in the background, but subtract one third</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; } <span class="keywordflow">else</span> { <span class="comment">//Subtracting one third would give us a number below zero</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; c_dark = 0x0000; <span class="comment">//use no red channel</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">if</span> (g &gt; (0x3F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>)) { <span class="comment">//Same for the green channel</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; c_dark |= (g - 0x3F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &lt;&lt; 5;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">if</span> (b &gt; (0x1F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>)) { <span class="comment">//and the blue channel</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; c_dark |= (b - 0x1F / <a class="code" href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a>) &lt;&lt; 0;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">//Assign the calculated shadows to out parameters</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">if</span> (light_shadow != NULL) {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; *light_shadow = c_light;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">if</span> (dark_shadow != NULL) {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; *dark_shadow = c_dark;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;}</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment">//Callback which is called when the user touches the touch-area we created for the button</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="button_8c.html#a7dca41e6afa418abaf2d471acac9b649"> 92</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="button_8c.html#a7dca41e6afa418abaf2d471acac9b649">buttons_cb</a>(<span class="keywordtype">void</span>* touchArea, <a class="code" href="group__touch.html#gab6037f32eebdf297a7d601a1e6c87768">TOUCH_ACTION</a> triggeredAction)</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;{</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a>* area = (<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a>*)touchArea;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html">BUTTON_STRUCT</a>* button = (<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html">BUTTON_STRUCT</a>*)touchArea;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; uint16_t c_light, c_dark; <span class="comment">//c_light and c_dark will be filled with a lighter and a darker color as the background color (for the shadows)</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <a class="code" href="button_8c.html#a05bb88dac6f60063eae2bb67dda1f4e8">calculate_shadows</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#aebb27fad2492ea7aa81895d0ede61fcf">bgcolor</a>, &amp;c_light, &amp;c_dark);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">switch</span> (triggeredAction) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">case</span> <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a>: <span class="comment">//If the user touches the area for the &quot;first time&quot;</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; area-&gt;<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4026095999c2fd7a91f9bb91390647a4">hookedActions</a> = <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a> | <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753">PEN_LEAVE</a>; <span class="comment">//for the future we only want PEN_UP and PEN_LEAVE events</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="comment">//Draw shadows</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a>, c_dark); <span class="comment">//North</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - 1, c_dark); <span class="comment">//West</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a>, c_light); <span class="comment">//South</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - 1, c_light); <span class="comment">//East</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keywordflow">case</span> <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a>: <span class="comment">//If the user took the pen away, while in the area (=button pressed!)</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">case</span> <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753">PEN_LEAVE</a>: <span class="comment">//or the user &quot;slided out&quot; of the area</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; area-&gt;<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4026095999c2fd7a91f9bb91390647a4">hookedActions</a> = <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a>; <span class="comment">//for the future we only want PEN_DOWN events</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">//Draw inverse shadows</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a>, c_light); <span class="comment">//North</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - 1, c_light); <span class="comment">//West</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a>, c_dark); <span class="comment">//South</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - 1, c_dark); <span class="comment">//East</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordflow">if</span> (triggeredAction == <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a> &amp;&amp; button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#a269d23c8a60f8acdf9279642999ee6a9">callback</a> != NULL) { <span class="comment">//If the button got &quot;pressed&quot; instead of left, and the user provided a callback</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#a269d23c8a60f8acdf9279642999ee6a9">callback</a>(button); <span class="comment">//execute the user callback</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;}</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="group__button.html#ga64d5d2aaff2c917e5d43e7ed849607de"> 133</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="group__button.html#ga64d5d2aaff2c917e5d43e7ed849607de">gui_button_add</a>(<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html">BUTTON_STRUCT</a>* button)</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;{</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="group__touch.html#gad32e5d122ec3f5f88bc6b2d9f4a629f8">touch_have_empty</a>(1)) { <span class="comment">//Check if the touch module can handle one additional area</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="comment">//Calculate width and height of the button text</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> strwidth = <a class="code" href="group__tft.html#ga7e99287b1e6b844f6867c63400959ffc">tft_font_width</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adeae49dfe3584e6df726fb4167cd1cf7">font</a>) * strlen(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#a16343090e80c4472521560f30113d96c">text</a>);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> strheight = <a class="code" href="group__tft.html#gaea9f6a88da91949befe52cd4ed000c5d">tft_font_height</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adeae49dfe3584e6df726fb4167cd1cf7">font</a>);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4026095999c2fd7a91f9bb91390647a4">hookedActions</a> = <a class="code" href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a>; <span class="comment">//At first we are interested in PEN_DOWN events</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4b44f431c154678005298b0f0618cd37">callback</a> = <a class="code" href="button_8c.html#a7dca41e6afa418abaf2d471acac9b649">buttons_cb</a>; <span class="comment">//Use our own callback for the touch area events</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">if</span> (button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> == <a class="code" href="group__button.html#ga0cc6f7717df9fbdc0f33efb88720a639">AUTO</a>) { <span class="comment">//The user wants us to calculate the button width automatically</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="comment">//Use string width + half of a character width as button width</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> = button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> - 1 + strwidth + (<a class="code" href="group__tft.html#ga7e99287b1e6b844f6867c63400959ffc">tft_font_width</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adeae49dfe3584e6df726fb4167cd1cf7">font</a>) / 2);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1) &lt; (strwidth + 2)) { <span class="comment">//the provided width is too small to fit the entire text</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">//report error</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordflow">if</span> (button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> == <a class="code" href="group__button.html#ga0cc6f7717df9fbdc0f33efb88720a639">AUTO</a>) { <span class="comment">//The user wants us to calculate the button height automatically</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="comment">//Use one and a half character heights as button height</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> = button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> - 1 + strheight + (strheight / 2);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1) &lt; (strheight + 2)) { <span class="comment">//the provided height is too small to fit the text</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <a class="code" href="group__button.html#ga6da1e251bad09d29fbb3b3f405689ab1">gui_button_redraw</a>(button); <span class="comment">//call the redraw method, which will take care of drawing the entire button</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">return</span> <a class="code" href="group__touch.html#ga3adc36f55b7475b3f652c38c0e23d741">touch_register_area</a>(&amp;button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>); <span class="comment">//Register the touch area and receive events for this button, from now on</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">//no more touch areas left</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;}</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;</div>
<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="group__button.html#ga6da1e251bad09d29fbb3b3f405689ab1"> 164</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__button.html#ga6da1e251bad09d29fbb3b3f405689ab1">gui_button_redraw</a>(<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html">BUTTON_STRUCT</a>* button)</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;{</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="comment">//Calculate text dimensions and shadow colors</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> strwidth = <a class="code" href="group__tft.html#ga7e99287b1e6b844f6867c63400959ffc">tft_font_width</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adeae49dfe3584e6df726fb4167cd1cf7">font</a>) * strlen(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#a16343090e80c4472521560f30113d96c">text</a>);</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> strheight = <a class="code" href="group__tft.html#gaea9f6a88da91949befe52cd4ed000c5d">tft_font_height</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adeae49dfe3584e6df726fb4167cd1cf7">font</a>);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; uint16_t c_light, c_dark;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <a class="code" href="button_8c.html#a05bb88dac6f60063eae2bb67dda1f4e8">calculate_shadows</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#aebb27fad2492ea7aa81895d0ede61fcf">bgcolor</a>, &amp;c_light, &amp;c_dark);</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="comment">//Draw the background and the 4 lines (shadow colors)</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <a class="code" href="group__tft.html#ga781855ab93845ce326dfca7c099259c6">tft_fill_rectangle</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#aebb27fad2492ea7aa81895d0ede61fcf">bgcolor</a>);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a>, c_light); <span class="comment">//North</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - 1, c_light); <span class="comment">//West</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a>, c_dark); <span class="comment">//South</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <a class="code" href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - 1, c_dark); <span class="comment">//East</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="comment">//Draw the text</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <a class="code" href="group__tft.html#gabf54943131990b366ce6875a0e1925f6">tft_print_line</a>(button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + (button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">x2</a> - button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">x1</a> + 1 - strwidth) / 2, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + (button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">y2</a> - button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">base</a>.<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">y1</a> + 1 - strheight) / 2, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#aaf5a5af411fa69950e0b4415c8089c8b">txtcolor</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#aebb27fad2492ea7aa81895d0ede61fcf">bgcolor</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adeae49dfe3584e6df726fb4167cd1cf7">font</a>, button-&gt;<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#a16343090e80c4472521560f30113d96c">text</a>);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;}</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;</div>
<div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="group__button.html#ga39e6ec07616381a15f276cd821dad4fd"> 184</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__button.html#ga39e6ec07616381a15f276cd821dad4fd">gui_button_remove</a>(<a class="code" href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html">BUTTON_STRUCT</a>* button)</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;{</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">//We only need to unregister the touch area, as we have not allocated anything else</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <a class="code" href="group__touch.html#gaa7d6cd569335d0ddfc9eeab479f3a0a8">touch_unregister_area</a>((<a class="code" href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a>*)button);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;}</div>
<div class="ttc" id="group__touch_html_gab6037f32eebdf297a7d601a1e6c87768"><div class="ttname"><a href="group__touch.html#gab6037f32eebdf297a7d601a1e6c87768">TOUCH_ACTION</a></div><div class="ttdeci">TOUCH_ACTION</div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00052">touch.h:52</a></div></div>
<div class="ttc" id="group__tft_html_gaea9f6a88da91949befe52cd4ed000c5d"><div class="ttname"><a href="group__tft.html#gaea9f6a88da91949befe52cd4ed000c5d">tft_font_height</a></div><div class="ttdeci">uint8_t tft_font_height(uint8_t fontnum)</div><div class="ttdef"><b>Definition:</b> <a href="tft_8c_source.html#l00087">tft.c:87</a></div></div>
<div class="ttc" id="group__touch_html_ga3adc36f55b7475b3f652c38c0e23d741"><div class="ttname"><a href="group__touch.html#ga3adc36f55b7475b3f652c38c0e23d741">touch_register_area</a></div><div class="ttdeci">bool touch_register_area(TOUCH_AREA_STRUCT *area)</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00181">touch.c:181</a></div></div>
<div class="ttc" id="struct_b_u_t_t_o_n___s_t_r_u_c_t_html_a16343090e80c4472521560f30113d96c"><div class="ttname"><a href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#a16343090e80c4472521560f30113d96c">BUTTON_STRUCT::text</a></div><div class="ttdeci">const char * text</div><div class="ttdoc">The label of the button. </div><div class="ttdef"><b>Definition:</b> <a href="button_8h_source.html#l00061">button.h:61</a></div></div>
<div class="ttc" id="group__tft_html_ga7e99287b1e6b844f6867c63400959ffc"><div class="ttname"><a href="group__tft.html#ga7e99287b1e6b844f6867c63400959ffc">tft_font_width</a></div><div class="ttdeci">uint8_t tft_font_width(uint8_t fontnum)</div><div class="ttdef"><b>Definition:</b> <a href="tft_8c_source.html#l00092">tft.c:92</a></div></div>
<div class="ttc" id="group__button_html_ga6da1e251bad09d29fbb3b3f405689ab1"><div class="ttname"><a href="group__button.html#ga6da1e251bad09d29fbb3b3f405689ab1">gui_button_redraw</a></div><div class="ttdeci">void gui_button_redraw(BUTTON_STRUCT *button)</div><div class="ttdef"><b>Definition:</b> <a href="button_8c_source.html#l00164">button.c:164</a></div></div>
<div class="ttc" id="struct_b_u_t_t_o_n___s_t_r_u_c_t_html_aaf5a5af411fa69950e0b4415c8089c8b"><div class="ttname"><a href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#aaf5a5af411fa69950e0b4415c8089c8b">BUTTON_STRUCT::txtcolor</a></div><div class="ttdeci">uint16_t txtcolor</div><div class="ttdoc">The 16-bit text color. </div><div class="ttdef"><b>Definition:</b> <a href="button_8h_source.html#l00059">button.h:59</a></div></div>
<div class="ttc" id="group__button_html_ga0cc6f7717df9fbdc0f33efb88720a639"><div class="ttname"><a href="group__button.html#ga0cc6f7717df9fbdc0f33efb88720a639">AUTO</a></div><div class="ttdeci">#define AUTO</div><div class="ttdoc">Use this value instead of x2, y2 in the BUTTON_STRUCT to autocalculate the button width/height...</div><div class="ttdef"><b>Definition:</b> <a href="button_8h_source.html#l00065">button.h:65</a></div></div>
<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a70faab71fe0370791190ce15d638011d">PEN_DOWN</a></div><div class="ttdoc">Receive an event when the pen goes down inside the region. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00054">touch.h:54</a></div></div>
<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768a082df10a24f2cb7c2a8098c0df591810">PEN_UP</a></div><div class="ttdoc">Receive an event when the pen goes up inside the region. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00055">touch.h:55</a></div></div>
<div class="ttc" id="group__tft_html_ga5022f91ea04919e698a79c0c309ba6f8"><div class="ttname"><a href="group__tft.html#ga5022f91ea04919e698a79c0c309ba6f8">tft_draw_line</a></div><div class="ttdeci">void tft_draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)</div><div class="ttdef"><b>Definition:</b> <a href="tft_8c_source.html#l00050">tft.c:50</a></div></div>
<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_a47ada631c22a9d40348069145654f255"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a47ada631c22a9d40348069145654f255">TOUCH_AREA_STRUCT::y1</a></div><div class="ttdeci">uint16_t y1</div><div class="ttdoc">Top Left Y-Coordinate of Area. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00075">touch.h:75</a></div></div>
<div class="ttc" id="struct_b_u_t_t_o_n___s_t_r_u_c_t_html"><div class="ttname"><a href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html">BUTTON_STRUCT</a></div><div class="ttdef"><b>Definition:</b> <a href="button_8h_source.html#l00055">button.h:55</a></div></div>
<div class="ttc" id="group__button_html_ga64d5d2aaff2c917e5d43e7ed849607de"><div class="ttname"><a href="group__button.html#ga64d5d2aaff2c917e5d43e7ed849607de">gui_button_add</a></div><div class="ttdeci">bool gui_button_add(BUTTON_STRUCT *button)</div><div class="ttdef"><b>Definition:</b> <a href="button_8c_source.html#l00133">button.c:133</a></div></div>
<div class="ttc" id="group__tft_html_gabf54943131990b366ce6875a0e1925f6"><div class="ttname"><a href="group__tft.html#gabf54943131990b366ce6875a0e1925f6">tft_print_line</a></div><div class="ttdeci">void tft_print_line(uint16_t x, uint16_t y, uint16_t color, uint16_t bgcolor, uint8_t font, const char *text)</div><div class="ttdef"><b>Definition:</b> <a href="tft_8c_source.html#l00098">tft.c:98</a></div></div>
<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_aedb5fdfe3c1d1a915b668ba7f3950753"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aedb5fdfe3c1d1a915b668ba7f3950753">TOUCH_AREA_STRUCT::x1</a></div><div class="ttdeci">uint16_t x1</div><div class="ttdoc">Top Left X-Coordinate of Area. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00074">touch.h:74</a></div></div>
<div class="ttc" id="struct_b_u_t_t_o_n___s_t_r_u_c_t_html_aebb27fad2492ea7aa81895d0ede61fcf"><div class="ttname"><a href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#aebb27fad2492ea7aa81895d0ede61fcf">BUTTON_STRUCT::bgcolor</a></div><div class="ttdeci">uint16_t bgcolor</div><div class="ttdoc">The 16-bit background color of the button. </div><div class="ttdef"><b>Definition:</b> <a href="button_8h_source.html#l00057">button.h:57</a></div></div>
<div class="ttc" id="struct_b_u_t_t_o_n___s_t_r_u_c_t_html_adf10d197299522577e67d366877bdd3f"><div class="ttname"><a href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adf10d197299522577e67d366877bdd3f">BUTTON_STRUCT::base</a></div><div class="ttdeci">TOUCH_AREA_STRUCT base</div><div class="ttdoc">Basic geometry of the button. You only need to set the x1, y1, x2, y2 members of this struct...</div><div class="ttdef"><b>Definition:</b> <a href="button_8h_source.html#l00056">button.h:56</a></div></div>
<div class="ttc" id="group__touch_html_gaa7d6cd569335d0ddfc9eeab479f3a0a8"><div class="ttname"><a href="group__touch.html#gaa7d6cd569335d0ddfc9eeab479f3a0a8">touch_unregister_area</a></div><div class="ttdeci">void touch_unregister_area(TOUCH_AREA_STRUCT *area)</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00195">touch.c:195</a></div></div>
<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html">TOUCH_AREA_STRUCT</a></div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00072">touch.h:72</a></div></div>
<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_aa377184ba406b3f0c4ac18c935378204"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#aa377184ba406b3f0c4ac18c935378204">TOUCH_AREA_STRUCT::y2</a></div><div class="ttdeci">uint16_t y2</div><div class="ttdoc">Bottom Right Y-Coordinate of Area. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00077">touch.h:77</a></div></div>
<div class="ttc" id="button_8c_html_a7dca41e6afa418abaf2d471acac9b649"><div class="ttname"><a href="button_8c.html#a7dca41e6afa418abaf2d471acac9b649">buttons_cb</a></div><div class="ttdeci">void buttons_cb(void *touchArea, TOUCH_ACTION triggeredAction)</div><div class="ttdef"><b>Definition:</b> <a href="button_8c_source.html#l00092">button.c:92</a></div></div>
<div class="ttc" id="button_8h_html"><div class="ttname"><a href="button_8h.html">button.h</a></div></div>
<div class="ttc" id="tft_8h_html"><div class="ttname"><a href="tft_8h.html">tft.h</a></div></div>
<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_a4b44f431c154678005298b0f0618cd37"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4b44f431c154678005298b0f0618cd37">TOUCH_AREA_STRUCT::callback</a></div><div class="ttdeci">TOUCH_CALLBACK callback</div><div class="ttdoc">Callback which is executed when an event occurred in this Area. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00078">touch.h:78</a></div></div>
<div class="ttc" id="touch_8h_html"><div class="ttname"><a href="touch_8h.html">touch.h</a></div></div>
<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_ac5bc000f8954f38b7a641a485a26bae7"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#ac5bc000f8954f38b7a641a485a26bae7">TOUCH_AREA_STRUCT::x2</a></div><div class="ttdeci">uint16_t x2</div><div class="ttdoc">Bottom Right X-Coordinate of Area. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00076">touch.h:76</a></div></div>
<div class="ttc" id="group__button_html_ga39e6ec07616381a15f276cd821dad4fd"><div class="ttname"><a href="group__button.html#ga39e6ec07616381a15f276cd821dad4fd">gui_button_remove</a></div><div class="ttdeci">void gui_button_remove(BUTTON_STRUCT *button)</div><div class="ttdef"><b>Definition:</b> <a href="button_8c_source.html#l00184">button.c:184</a></div></div>
<div class="ttc" id="button_8c_html_a05bb88dac6f60063eae2bb67dda1f4e8"><div class="ttname"><a href="button_8c.html#a05bb88dac6f60063eae2bb67dda1f4e8">calculate_shadows</a></div><div class="ttdeci">void calculate_shadows(uint16_t bgcolor, uint16_t *light_shadow, uint16_t *dark_shadow)</div><div class="ttdef"><b>Definition:</b> <a href="button_8c_source.html#l00034">button.c:34</a></div></div>
<div class="ttc" id="group__tft_html_ga781855ab93845ce326dfca7c099259c6"><div class="ttname"><a href="group__tft.html#ga781855ab93845ce326dfca7c099259c6">tft_fill_rectangle</a></div><div class="ttdeci">void tft_fill_rectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color)</div><div class="ttdef"><b>Definition:</b> <a href="tft_8c_source.html#l00067">tft.c:67</a></div></div>
<div class="ttc" id="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t_html_a4026095999c2fd7a91f9bb91390647a4"><div class="ttname"><a href="struct_t_o_u_c_h___a_r_e_a___s_t_r_u_c_t.html#a4026095999c2fd7a91f9bb91390647a4">TOUCH_AREA_STRUCT::hookedActions</a></div><div class="ttdeci">TOUCH_ACTION hookedActions</div><div class="ttdoc">Actions to listen to. </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00073">touch.h:73</a></div></div>
<div class="ttc" id="struct_b_u_t_t_o_n___s_t_r_u_c_t_html_a269d23c8a60f8acdf9279642999ee6a9"><div class="ttname"><a href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#a269d23c8a60f8acdf9279642999ee6a9">BUTTON_STRUCT::callback</a></div><div class="ttdeci">BUTTON_CALLBACK callback</div><div class="ttdoc">Callback which is executed when the button is pressed. </div><div class="ttdef"><b>Definition:</b> <a href="button_8h_source.html#l00058">button.h:58</a></div></div>
<div class="ttc" id="group__touch_html_gad32e5d122ec3f5f88bc6b2d9f4a629f8"><div class="ttname"><a href="group__touch.html#gad32e5d122ec3f5f88bc6b2d9f4a629f8">touch_have_empty</a></div><div class="ttdeci">bool touch_have_empty(unsigned char num)</div><div class="ttdef"><b>Definition:</b> <a href="touch_8c_source.html#l00165">touch.c:165</a></div></div>
<div class="ttc" id="struct_b_u_t_t_o_n___s_t_r_u_c_t_html_adeae49dfe3584e6df726fb4167cd1cf7"><div class="ttname"><a href="struct_b_u_t_t_o_n___s_t_r_u_c_t.html#adeae49dfe3584e6df726fb4167cd1cf7">BUTTON_STRUCT::font</a></div><div class="ttdeci">uint8_t font</div><div class="ttdoc">The number of the font to use. </div><div class="ttdef"><b>Definition:</b> <a href="button_8h_source.html#l00060">button.h:60</a></div></div>
<div class="ttc" id="button_8c_html_a30147bc6062a23d99a2fd58b45adfb82"><div class="ttname"><a href="button_8c.html#a30147bc6062a23d99a2fd58b45adfb82">BRIGHTNESS_VAL</a></div><div class="ttdeci">#define BRIGHTNESS_VAL</div></div>
<div class="ttc" id="group__touch_html_ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753"><div class="ttname"><a href="group__touch.html#ggab6037f32eebdf297a7d601a1e6c87768ad07447bb4a71fa12d848d80f279b7753">PEN_LEAVE</a></div><div class="ttdoc">Receive an event when the pen leaves the region (pen was inside region before) </div><div class="ttdef"><b>Definition:</b> <a href="touch_8h_source.html#l00057">touch.h:57</a></div></div>
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