1 | #include "owl.h" |
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2 | |
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3 | owl_popwin *owl_popwin_new(void) |
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4 | { |
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5 | owl_popwin *pw = owl_malloc(sizeof(owl_popwin)); |
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6 | memset(pw, 0, sizeof(*pw)); |
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7 | |
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8 | pw->border = owl_window_new(NULL); |
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9 | pw->content = owl_window_new(pw->border); |
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10 | /* To be thorough, we ensure each signal is disconnected when we close. */ |
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11 | pw->sig_redraw_id = |
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12 | g_signal_connect(pw->border, "redraw", G_CALLBACK(owl_popwin_draw_border), 0); |
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13 | pw->sig_resize_id = |
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14 | g_signal_connect(pw->border, "resized", G_CALLBACK(owl_popwin_size_content), pw); |
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15 | owl_signal_connect_object(owl_window_get_screen(), "resized", G_CALLBACK(owl_popwin_size_border), pw->border, 0); |
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16 | |
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17 | /* bootstrap sizing */ |
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18 | owl_popwin_size_border(owl_window_get_screen(), pw->border); |
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19 | |
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20 | owl_window_show(pw->content); |
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21 | |
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22 | return pw; |
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23 | } |
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24 | |
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25 | int owl_popwin_up(owl_popwin *pw) |
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26 | { |
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27 | if (owl_window_is_shown(pw->border)) |
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28 | return 1; |
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29 | owl_window_show(pw->border); |
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30 | return 0; |
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31 | } |
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32 | |
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33 | void owl_popwin_size_border(owl_window *parent, void *user_data) |
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34 | { |
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35 | int lines, cols, startline, startcol; |
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36 | int glines, gcols; |
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37 | owl_window *border = user_data; |
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38 | |
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39 | owl_window_get_position(parent, &glines, &gcols, 0, 0); |
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40 | |
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41 | lines = MIN(glines, 24) * 3/4 + MAX(glines - 24, 0) / 2; |
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42 | startline = (glines-lines)/2; |
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43 | cols = MIN(gcols, 90) * 15 / 16 + MAX(gcols - 90, 0) / 2; |
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44 | startcol = (gcols-cols)/2; |
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45 | |
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46 | owl_window_set_position(border, lines, cols, startline, startcol); |
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47 | } |
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48 | |
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49 | void owl_popwin_size_content(owl_window *parent, void *user_data) |
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50 | { |
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51 | int lines, cols; |
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52 | owl_popwin *pw = user_data; |
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53 | owl_window_get_position(parent, &lines, &cols, 0, 0); |
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54 | owl_window_set_position(pw->content, lines-2, cols-2, 1, 1); |
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55 | } |
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56 | |
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57 | void owl_popwin_draw_border(owl_window *w, WINDOW *borderwin, void *user_data) |
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58 | { |
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59 | int lines, cols; |
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60 | owl_window_get_position(w, &lines, &cols, 0, 0); |
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61 | if (owl_global_is_fancylines(&g)) { |
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62 | box(borderwin, 0, 0); |
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63 | } else { |
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64 | box(borderwin, '|', '-'); |
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65 | wmove(borderwin, 0, 0); |
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66 | waddch(borderwin, '+'); |
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67 | wmove(borderwin, lines-1, 0); |
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68 | waddch(borderwin, '+'); |
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69 | wmove(borderwin, lines-1, cols-1); |
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70 | waddch(borderwin, '+'); |
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71 | wmove(borderwin, 0, cols-1); |
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72 | waddch(borderwin, '+'); |
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73 | } |
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74 | } |
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75 | |
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76 | int owl_popwin_close(owl_popwin *pw) |
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77 | { |
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78 | if (!owl_window_is_shown(pw->border)) |
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79 | return 1; |
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80 | owl_window_hide(pw->border); |
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81 | return 0; |
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82 | } |
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83 | |
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84 | void owl_popwin_delete(owl_popwin *pw) |
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85 | { |
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86 | owl_popwin_close(pw); |
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87 | |
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88 | /* Remove everything that references us. */ |
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89 | g_signal_handler_disconnect(pw->border, pw->sig_resize_id); |
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90 | g_signal_handler_disconnect(pw->border, pw->sig_redraw_id); |
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91 | owl_window_unlink(pw->border); |
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92 | g_object_unref(pw->border); |
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93 | g_object_unref(pw->content); |
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94 | |
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95 | owl_free(pw); |
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96 | } |
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97 | |
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98 | int owl_popwin_is_active(const owl_popwin *pw) |
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99 | { |
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100 | return owl_window_is_shown(pw->border); |
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101 | } |
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102 | |
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103 | owl_window *owl_popwin_get_content(const owl_popwin *pw) |
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104 | { |
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105 | return pw->content; |
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106 | } |
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