A Simple X Image Viewer
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  1. #ifdef _WINDOW_CONFIG
  2. /* default window dimensions (overwritten via -g option): */
  3. enum {
  4. WIN_WIDTH = 800,
  5. WIN_HEIGHT = 600
  6. };
  7. /* colors and font are configured with 'background', 'foreground' and
  8. * 'font' X resource properties.
  9. * See X(7) section Resources and xrdb(1) for more information.
  10. */
  11. #endif
  12. #ifdef _IMAGE_CONFIG
  13. /* levels (in percent) to use when zooming via '-' and '+':
  14. * (first/last value is used as min/max zoom level)
  15. */
  16. static const float zoom_levels[] = {
  17. 12.5, 25.0, 50.0, 75.0,
  18. 100.0, 150.0, 200.0, 400.0, 800.0
  19. };
  20. /* default slideshow delay (in sec, overwritten via -S option): */
  21. enum { SLIDESHOW_DELAY = 5 };
  22. /* gamma correction: the user-visible ranges [-GAMMA_RANGE, 0] and
  23. * (0, GAMMA_RANGE] are mapped to the ranges [0, 1], and (1, GAMMA_MAX].
  24. * */
  25. static const double GAMMA_MAX = 10.0;
  26. static const int GAMMA_RANGE = 32;
  27. /* command i_scroll pans image 1/PAN_FRACTION of screen width/height */
  28. static const int PAN_FRACTION = 5;
  29. /* if false, pixelate images at zoom level != 100%,
  30. * toggled with 'a' key binding
  31. */
  32. static const bool ANTI_ALIAS = true;
  33. /* if true, use a checkerboard background for alpha layer,
  34. * toggled with 'A' key binding
  35. */
  36. static const bool ALPHA_LAYER = false;
  37. #endif
  38. #ifdef _THUMBS_CONFIG
  39. /* thumbnail sizes in pixels (width == height): */
  40. static const int thumb_sizes[] = { 32, 64, 96, 128, 160 };
  41. /* thumbnail size at startup, index into thumb_sizes[]: */
  42. static const int THUMB_SIZE = 3;
  43. #endif
  44. #ifdef _MAPPINGS_CONFIG
  45. /* keyboard mappings for image and thumbnail mode: */
  46. static const keymap_t keys[] = {
  47. /* modifiers key function argument */
  48. { 0, XK_q, g_quit, None },
  49. { 0, XK_Return, g_switch_mode, None },
  50. { 0, XK_f, g_toggle_fullscreen, None },
  51. { 0, XK_b, g_toggle_bar, None },
  52. { ControlMask, XK_x, g_prefix_external, None },
  53. { 0, XK_g, g_first, None },
  54. { 0, XK_G, g_n_or_last, None },
  55. { 0, XK_r, g_reload_image, None },
  56. { 0, XK_D, g_remove_image, None },
  57. { ControlMask, XK_h, g_scroll_screen, DIR_LEFT },
  58. { ControlMask, XK_Left, g_scroll_screen, DIR_LEFT },
  59. { ControlMask, XK_j, g_scroll_screen, DIR_DOWN },
  60. { ControlMask, XK_Down, g_scroll_screen, DIR_DOWN },
  61. { ControlMask, XK_k, g_scroll_screen, DIR_UP },
  62. { ControlMask, XK_Up, g_scroll_screen, DIR_UP },
  63. { ControlMask, XK_l, g_scroll_screen, DIR_RIGHT },
  64. { ControlMask, XK_Right, g_scroll_screen, DIR_RIGHT },
  65. { 0, XK_plus, g_zoom, +1 },
  66. { 0, XK_KP_Add, g_zoom, +1 },
  67. { 0, XK_minus, g_zoom, -1 },
  68. { 0, XK_KP_Subtract, g_zoom, -1 },
  69. { 0, XK_m, g_toggle_image_mark, None },
  70. { 0, XK_M, g_mark_range, None },
  71. { ControlMask, XK_m, g_reverse_marks, None },
  72. { ControlMask, XK_u, g_unmark_all, None },
  73. { 0, XK_N, g_navigate_marked, +1 },
  74. { 0, XK_P, g_navigate_marked, -1 },
  75. { 0, XK_braceleft, g_change_gamma, -1 },
  76. { 0, XK_braceright, g_change_gamma, +1 },
  77. { ControlMask, XK_g, g_change_gamma, 0 },
  78. { 0, XK_h, t_move_sel, DIR_LEFT },
  79. { 0, XK_Left, t_move_sel, DIR_LEFT },
  80. { 0, XK_j, t_move_sel, DIR_DOWN },
  81. { 0, XK_Down, t_move_sel, DIR_DOWN },
  82. { 0, XK_k, t_move_sel, DIR_UP },
  83. { 0, XK_Up, t_move_sel, DIR_UP },
  84. { 0, XK_l, t_move_sel, DIR_RIGHT },
  85. { 0, XK_Right, t_move_sel, DIR_RIGHT },
  86. { 0, XK_R, t_reload_all, None },
  87. { 0, XK_n, i_navigate, +1 },
  88. { 0, XK_n, i_scroll_to_edge, DIR_LEFT | DIR_UP },
  89. { 0, XK_space, i_navigate, +1 },
  90. { 0, XK_p, i_navigate, -1 },
  91. { 0, XK_p, i_scroll_to_edge, DIR_LEFT | DIR_UP },
  92. { 0, XK_BackSpace, i_navigate, -1 },
  93. { 0, XK_bracketright, i_navigate, +10 },
  94. { 0, XK_bracketleft, i_navigate, -10 },
  95. { ControlMask, XK_6, i_alternate, None },
  96. { ControlMask, XK_n, i_navigate_frame, +1 },
  97. { ControlMask, XK_p, i_navigate_frame, -1 },
  98. { ControlMask, XK_space, i_toggle_animation, None },
  99. { 0, XK_h, i_scroll, DIR_LEFT },
  100. { 0, XK_Left, i_scroll, DIR_LEFT },
  101. { 0, XK_j, i_scroll, DIR_DOWN },
  102. { 0, XK_Down, i_scroll, DIR_DOWN },
  103. { 0, XK_k, i_scroll, DIR_UP },
  104. { 0, XK_Up, i_scroll, DIR_UP },
  105. { 0, XK_l, i_scroll, DIR_RIGHT },
  106. { 0, XK_Right, i_scroll, DIR_RIGHT },
  107. { 0, XK_H, i_scroll_to_edge, DIR_LEFT },
  108. { 0, XK_J, i_scroll_to_edge, DIR_DOWN },
  109. { 0, XK_K, i_scroll_to_edge, DIR_UP },
  110. { 0, XK_L, i_scroll_to_edge, DIR_RIGHT },
  111. { 0, XK_equal, i_set_zoom, 100 },
  112. { 0, XK_w, i_fit_to_win, SCALE_DOWN },
  113. { 0, XK_W, i_fit_to_win, SCALE_FIT },
  114. { 0, XK_e, i_fit_to_win, SCALE_WIDTH },
  115. { 0, XK_E, i_fit_to_win, SCALE_HEIGHT },
  116. { 0, XK_less, i_rotate, DEGREE_270 },
  117. { 0, XK_greater, i_rotate, DEGREE_90 },
  118. { 0, XK_question, i_rotate, DEGREE_180 },
  119. { 0, XK_bar, i_flip, FLIP_HORIZONTAL },
  120. { 0, XK_underscore, i_flip, FLIP_VERTICAL },
  121. { 0, XK_a, i_toggle_antialias, None },
  122. { 0, XK_A, i_toggle_alpha, None },
  123. { 0, XK_s, i_slideshow, None },
  124. };
  125. /* mouse button mappings for image mode: */
  126. static const button_t buttons[] = {
  127. /* modifiers button function argument */
  128. { 0, 1, i_cursor_navigate, None },
  129. { 0, 2, i_drag, DRAG_ABSOLUTE },
  130. { 0, 3, g_switch_mode, None },
  131. { 0, 4, g_zoom, +1 },
  132. { 0, 5, g_zoom, -1 },
  133. };
  134. #endif