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annotate XCodeiPhoneOS/Demos/src/keyboard.c @ 2412:a01958cd513d gsoc2008_iphone

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keyboard.c contains the source code for the bitmap font keyboard example.
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Sat, 02 Aug 2008 00:54:30 +0000
parents
children 74d25e48d54d
rev   line source
2412
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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1 /*
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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2 * keyboard.c
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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3 * written by Holmes Futrell
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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4 * use however you want
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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5 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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6
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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7 #import "SDL.h"
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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8 #import "common.h"
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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9
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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10 #define GLYPH_SIZE_IMAGE 16 /* size of glyphs (characters) in the bitmap font file */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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11 #define GLYPH_SIZE_SCREEN 32 /* size of glyphs (characters) as shown on the screen */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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12
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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13 static SDL_TextureID textureID; /* texture where we'll hold our font */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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14
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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15 /* iPhone SDL addition keyboard related function definitions */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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16 extern DECLSPEC int SDLCALL SDL_iPhoneKeyboardShow(SDL_WindowID windowID);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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17 extern DECLSPEC int SDLCALL SDL_iPhoneKeyboardHide(SDL_WindowID windowID);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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18 extern DECLSPEC SDL_bool SDLCALL SDL_iPhoneKeyboardIsShown(SDL_WindowID windowID);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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19 extern DECLSPEC int SDLCALL SDL_iPhoneKeyboardToggle(SDL_WindowID windowID);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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20
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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21 /* function declarations */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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22 void cleanup(void);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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23 void drawBlank(int x, int y);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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24
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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25 static int numChars = 0; /* number of characters we've typed so far */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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26 static SDL_bool lastCharWasColon = 0; /* we use this to detect sequences such as :) */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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27 static SDL_Color bg_color = { 50, 50, 100, 255 }; /* color of background */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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28
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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29 /* this structure maps a scancode to an index in our bitmap font.
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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30 it also contains data about under which modifiers the mapping is valid
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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31 (for example, we don't want shift + 1 to produce the character '1',
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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32 but rather the character '!')
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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33 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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34 typedef struct {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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35 SDL_scancode scancode; /* scancode of the key we want to map */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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36 int allow_no_mod; /* is the map valid if the key has no modifiers? */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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37 SDLMod mod; /* what modifiers are allowed for the mapping */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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38 int index; /* what index in the font does the scancode map to */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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39 } fontMapping;
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40
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41 #define TABLE_SIZE 51 /* size of our table which maps keys and modifiers to font indices */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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42
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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43 /* Below is the table that defines the mapping between scancodes and modifiers to indices in the
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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44 bitmap font. As an example, then line '{ SDL_SCANCODE_A, 1, KMOD_SHIFT, 33 }' means, map
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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45 the key A (which has scancode SDL_SCANCODE_A) to index 33 in the font (which is a picture of an A),
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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46 The '1' means that the mapping is valid even if there are no modifiers, and KMOD_SHIFT means the
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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47 mapping is also valid if the user is holding shift.
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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48 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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49 fontMapping map[TABLE_SIZE] = {
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50
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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51 { SDL_SCANCODE_A, 1, KMOD_SHIFT, 33 }, /* A */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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52 { SDL_SCANCODE_B, 1, KMOD_SHIFT, 34 }, /* B */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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53 { SDL_SCANCODE_C, 1, KMOD_SHIFT, 35 }, /* C */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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54 { SDL_SCANCODE_D, 1, KMOD_SHIFT, 36 }, /* D */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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55 { SDL_SCANCODE_E, 1, KMOD_SHIFT, 37 }, /* E */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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56 { SDL_SCANCODE_F, 1, KMOD_SHIFT, 38 }, /* F */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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57 { SDL_SCANCODE_G, 1, KMOD_SHIFT, 39 }, /* G */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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58 { SDL_SCANCODE_H, 1, KMOD_SHIFT, 40 }, /* H */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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59 { SDL_SCANCODE_I, 1, KMOD_SHIFT, 41 }, /* I */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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60 { SDL_SCANCODE_J, 1, KMOD_SHIFT, 42 }, /* J */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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61 { SDL_SCANCODE_K, 1, KMOD_SHIFT, 43 }, /* K */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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62 { SDL_SCANCODE_L, 1, KMOD_SHIFT, 44 }, /* L */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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63 { SDL_SCANCODE_M, 1, KMOD_SHIFT, 45 }, /* M */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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64 { SDL_SCANCODE_N, 1, KMOD_SHIFT, 46 }, /* N */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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65 { SDL_SCANCODE_O, 1, KMOD_SHIFT, 47 }, /* O */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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66 { SDL_SCANCODE_P, 1, KMOD_SHIFT, 48 }, /* P */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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67 { SDL_SCANCODE_Q, 1, KMOD_SHIFT, 49 }, /* Q */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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68 { SDL_SCANCODE_R, 1, KMOD_SHIFT, 50 }, /* R */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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69 { SDL_SCANCODE_S, 1, KMOD_SHIFT, 51 }, /* S */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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70 { SDL_SCANCODE_T, 1, KMOD_SHIFT, 52 }, /* T */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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71 { SDL_SCANCODE_U, 1, KMOD_SHIFT, 53 }, /* U */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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72 { SDL_SCANCODE_V, 1, KMOD_SHIFT, 54 }, /* V */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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73 { SDL_SCANCODE_W, 1, KMOD_SHIFT, 55 }, /* W */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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74 { SDL_SCANCODE_X, 1, KMOD_SHIFT, 56 }, /* X */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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75 { SDL_SCANCODE_Y, 1, KMOD_SHIFT, 57 }, /* Y */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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76 { SDL_SCANCODE_Z, 1, KMOD_SHIFT, 58 }, /* Z */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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77 { SDL_SCANCODE_0, 1, 0, 16 }, /* 0 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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78 { SDL_SCANCODE_1, 1, 0, 17 }, /* 1 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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79 { SDL_SCANCODE_2, 1, 0, 18 }, /* 2 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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80 { SDL_SCANCODE_3, 1, 0, 19 }, /* 3 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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81 { SDL_SCANCODE_4, 1, 0, 20 }, /* 4 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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82 { SDL_SCANCODE_5, 1, 0, 21 }, /* 5 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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83 { SDL_SCANCODE_6, 1, 0, 22 }, /* 6 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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84 { SDL_SCANCODE_7, 1, 0, 23 }, /* 7 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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85 { SDL_SCANCODE_8, 1, 0, 24 }, /* 8 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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86 { SDL_SCANCODE_9, 1, 0, 25 }, /* 9 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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87 { SDL_SCANCODE_SPACE, 1, 0, 0 }, /*' '*/
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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88 { SDL_SCANCODE_1, 0, KMOD_SHIFT, 1 }, /* ! */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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89 { SDL_SCANCODE_SLASH, 0, KMOD_SHIFT, 31}, /* ? */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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90 { SDL_SCANCODE_SLASH, 1, 0, 15}, /* / */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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91 { SDL_SCANCODE_COMMA, 1, 0, 12}, /* , */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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92 { SDL_SCANCODE_SEMICOLON, 1, 0, 27}, /* ; */
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93 { SDL_SCANCODE_SEMICOLON, 0, KMOD_SHIFT, 26}, /* : */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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94 { SDL_SCANCODE_PERIOD, 1, 0, 14}, /* . */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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95 { SDL_SCANCODE_MINUS, 1, 0, 13}, /* - */
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96 { SDL_SCANCODE_EQUALS, 0, KMOD_SHIFT, 11}, /* = */
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97 { SDL_SCANCODE_APOSTROPHE, 1, 0, 7}, /* ' */
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98 { SDL_SCANCODE_APOSTROPHE, 0, KMOD_SHIFT, 2}, /* " */
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99 { SDL_SCANCODE_5, 0, KMOD_SHIFT, 5}, /* % */
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100
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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101 };
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102
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103 /*
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104 This function maps an SDL_keysym to an index in the bitmap font.
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105 It does so by scanning through the font mapping table one entry
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106 at a time.
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107
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108 If a match is found (scancode and allowed modifiers), the proper
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109 index is returned.
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110
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111 If there is no entry for the key, -1 is returned
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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112 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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113 int keyToIndex(SDL_keysym key) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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114 int i, index = -1;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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115 for (i=0; i<TABLE_SIZE; i++) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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116 fontMapping compare = map[i];
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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117 if (key.scancode == compare.scancode) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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118 /* if this entry is valid with no key mod and we have no keymod, or if
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119 the key's modifiers are allowed modifiers for that mapping */
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120 if ((compare.allow_no_mod && key.mod == 0) || ( key.mod & compare.mod ) ) {
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121 index = compare.index;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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122 break;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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123 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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124 }
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125 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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126 return index;
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127 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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128 /*
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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129 This function returns and x,y position for a given character number.
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130 It is used for positioning each character of text
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131 */
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132 void getPositionForCharNumber(int n, int *x, int *y) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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133 int x_padding = 16; /* padding space on left and right side of screen */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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134 int y_padding = 32; /* padding space at top of screen */
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135 /* figure out the number of characters that can fit horizontally across the screen */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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136 int max_x_chars = (SCREEN_WIDTH - 2 * x_padding) / GLYPH_SIZE_SCREEN;
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137 int line_separation = 5; /* pixels between each line */
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138 *x = (n % max_x_chars) * GLYPH_SIZE_SCREEN + x_padding;
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139 *y = (n / max_x_chars) * (GLYPH_SIZE_SCREEN + line_separation) + y_padding;
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140 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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141 void drawIndex(int index) {
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142 int x, y;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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143 getPositionForCharNumber(numChars, &x, &y);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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144 SDL_Rect srcRect = { GLYPH_SIZE_IMAGE * index, 0, GLYPH_SIZE_IMAGE, GLYPH_SIZE_IMAGE };
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145 SDL_Rect dstRect = { x, y, GLYPH_SIZE_SCREEN, GLYPH_SIZE_SCREEN };
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146 drawBlank(x, y);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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147 SDL_RenderCopy(textureID, &srcRect, &dstRect);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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148 }
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149 /* draws the cursor icon at the current end position of the text */
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150 void drawCursor(void) {
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151 drawIndex(29); /* cursor is at index 29 in the bitmap font */
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152 }
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153 /* paints over a glyph sized region with the background color
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154 in effect it erases the area
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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155 */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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156 void drawBlank(int x, int y) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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157 SDL_Rect rect = { x, y, GLYPH_SIZE_SCREEN, GLYPH_SIZE_SCREEN };
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158 SDL_RenderFill(bg_color.r, bg_color.g, bg_color.b, bg_color.unused, &rect);
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159 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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160 /* moves backwards one character, erasing the last one put down */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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161 void backspace(void) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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162 int x, y;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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163 if (numChars > 0) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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164 getPositionForCharNumber(numChars, &x, &y);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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165 drawBlank(x, y);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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166 numChars--;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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167 getPositionForCharNumber(numChars, &x, &y);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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168 drawBlank(x, y);
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169 drawCursor();
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170 }
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171 }
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172 /* this function loads our font into an SDL_Texture and returns the SDL_TextureID */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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173 SDL_TextureID loadFont(void) {
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174
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175 SDL_Surface *surface = SDL_LoadBMP("kromasky_16x16.bmp");
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176
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177 if (!surface) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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178 printf("Error loading bitmap: %s\n", SDL_GetError());
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179 return 0;
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180 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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181 else {
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182 /* set the transparent color for the bitmap font (hot pink) */
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183 SDL_SetColorKey(surface, 1, SDL_MapRGB(surface->format, 238, 0, 252 ));
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184 /* now we convert the surface to our desired pixel format */
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185 int format = SDL_PIXELFORMAT_ABGR8888; /* desired texture format */
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186 Uint32 Rmask, Gmask, Bmask, Amask; /* masks for desired format */
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187 int bpp; /* bits per pixel for desired format */
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188 SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
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189 SDL_Surface *converted = SDL_CreateRGBSurface(0, surface->w, surface->h, bpp, Rmask, Gmask, Bmask, Amask);
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190 SDL_BlitSurface(surface, NULL, converted, NULL);
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191 /* create our texture */
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192 textureID = SDL_CreateTextureFromSurface(SDL_PIXELFORMAT_ABGR8888, converted);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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193 if (textureID == 0) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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194 printf("texture creation failed: %s\n", SDL_GetError());
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195 }
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196 else {
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197 /* set blend mode for our texture */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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198 SDL_SetTextureBlendMode(textureID, SDL_TEXTUREBLENDMODE_BLEND);
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199 }
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200 SDL_FreeSurface(surface);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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201 SDL_FreeSurface(converted);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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202 return textureID;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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203 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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204 }
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205
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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206 int main(int argc, char *argv[]) {
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207
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208 int index; /* index of last key we pushed in the bitmap font */
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209 SDL_Event event; /* last event received */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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210 SDLMod mod; /* key modifiers of last key we pushed */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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211 SDL_scancode scancode; /* scancode of last key we pushed */
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212
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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213 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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214 printf("Error initializing SDL: %s", SDL_GetError());
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215 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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216 /* create window */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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217 SDL_WindowID windowID = SDL_CreateWindow("iPhone keyboard test", 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, 0);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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218 /* create renderer */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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219 SDL_CreateRenderer(windowID, 0, 0);
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220
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221 /* load up our font */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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222 loadFont();
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223
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224 /* draw the background, we'll just paint over it */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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225 SDL_RenderFill(bg_color.r, bg_color.g, bg_color.b, bg_color.unused, NULL);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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226 SDL_RenderPresent();
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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227
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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228 int done = 0;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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229 /* loop till we get SDL_Quit */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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230 while (SDL_WaitEvent(&event)) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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231 switch (event.type) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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232 case SDL_QUIT:
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233 done = 1;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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234 break;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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235 case SDL_KEYDOWN:
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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236 index = keyToIndex(event.key.keysym);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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237 scancode = event.key.keysym.scancode;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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238 mod = event.key.keysym.mod;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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239 if (scancode == SDL_SCANCODE_DELETE) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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240 /* if user hit delete, delete the last character */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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241 backspace();
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
Holmes Futrell <hfutrell@umail.ucsb.edu>
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242 lastCharWasColon = 0;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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243 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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244 else if (lastCharWasColon && scancode == SDL_SCANCODE_0 && (mod & KMOD_SHIFT)) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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245 /* if our last key was a colon and this one is a close paren, the make a hoppy face */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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246 backspace();
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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247 drawIndex(32); /* index for happy face */
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248 numChars++;
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249 drawCursor();
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250 lastCharWasColon = 0;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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251 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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252 else if (index != -1) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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253 /* if we aren't doing a happy face, then just draw the normal character */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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254 drawIndex(index);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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255 numChars++;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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256 drawCursor();
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257 lastCharWasColon = (event.key.keysym.scancode == SDL_SCANCODE_SEMICOLON\
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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258 && (event.key.keysym.mod & KMOD_SHIFT));
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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259 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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260 /* check if the key was a colon */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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261 /* draw our updates to the screen */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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262 SDL_RenderPresent();
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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263 break;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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264 case SDL_MOUSEBUTTONUP:
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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265 /* mouse up toggles keyboard */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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266 SDL_iPhoneKeyboardToggle(windowID);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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267 break;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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268 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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269 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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270 cleanup();
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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271 return 0;
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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272 }
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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273
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274 /* clean up after ourselves like a good kiddy */
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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275 void cleanup(void) {
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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276 SDL_DestroyTexture(textureID);
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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277 SDL_Quit();
a01958cd513d keyboard.c contains the source code for the bitmap font keyboard example.
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278 }
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279