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412
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1 /* William Perry 1997 */
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153
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2
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3 #include <config.h>
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4 #include "lisp.h"
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272
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5 #include "console.h"
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6 #include "console-tty.h"
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7 #include "device.h"
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8 #include "events.h"
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9 #include "events-mod.h"
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10 #include "sysdep.h"
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11
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12 #ifdef HAVE_GPM
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13 #include "gpmevent.h"
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14 #include <gpm.h>
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15
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16 #if (!defined(__linux__)) /* possible under xterm */
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17 #define KG_SHIFT 0
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18 #define KG_CTRL 2
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19 #define KG_ALT 3
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20 #else
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21 #include <linux/keyboard.h>
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22 #endif
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23
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24 int
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25 handle_gpm_read (struct Lisp_Event *event, struct console *con, int fd)
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26 {
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27 Gpm_Event ev;
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28 int modifiers = 0;
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29 int type = -1;
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30 int button = 1;
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398
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31
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32 if (!Gpm_GetEvent(&ev))
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33 return 0;
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272
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34
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412
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35 event->timestamp = 0;
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36 event->channel = CONSOLE_SELECTED_FRAME (con);
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37
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38 /* Whow, wouldn't named defines be NICE!?!?! */
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39 modifiers = 0;
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40
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41 if (ev.modifiers & 1) modifiers |= MOD_SHIFT;
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42 if (ev.modifiers & 2) modifiers |= MOD_META;
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43 if (ev.modifiers & 4) modifiers |= MOD_CONTROL;
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44 if (ev.modifiers & 8) modifiers |= MOD_META;
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45
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46 if (ev.type & GPM_DOWN)
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47 type = GPM_DOWN;
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48 else if (ev.type & GPM_UP)
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49 type = GPM_UP;
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50 else if (ev.type & GPM_MOVE) {
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51 type = GPM_MOVE;
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52 GPM_DRAWPOINTER(&ev);
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53 }
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54
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55 if (ev.buttons & GPM_B_LEFT)
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56 button = 1;
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57 else if (ev.buttons & GPM_B_MIDDLE)
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58 button = 2;
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59 else if (ev.buttons & GPM_B_RIGHT)
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60 button = 3;
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61
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62 switch (type) {
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63 case GPM_DOWN:
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64 case GPM_UP:
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65 event->event_type =
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66 type == GPM_DOWN ? button_press_event : button_release_event;
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67 event->event.button.x = ev.x;
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68 event->event.button.y = ev.y;
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69 event->event.button.button = button;
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70 event->event.button.modifiers = modifiers;
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71 break;
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72 case GPM_MOVE:
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73 event->event_type = pointer_motion_event;
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74 event->event.motion.x = ev.x;
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75 event->event.motion.y = ev.y;
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76 event->event.motion.modifiers = modifiers;
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77 default:
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78 return 0;
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79 }
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80 return 1;
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153
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81 }
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82
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412
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83 void
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84 connect_to_gpm (struct console *con)
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153
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85 {
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86 /* Only do this if we are running after dumping and really interactive */
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87 if (!noninteractive && initialized) {
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88 /* We really only want to do this on a TTY */
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89 CONSOLE_TTY_MOUSE_FD (con) = -1;
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90 if (EQ (CONSOLE_TYPE (con), Qtty)) {
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91 Gpm_Connect conn;
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92 int rval;
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93
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94 conn.eventMask = GPM_DOWN|GPM_UP|GPM_MOVE;
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95 conn.defaultMask = GPM_MOVE;
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96 conn.minMod = 0;
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97 conn.maxMod = ((1<<KG_SHIFT)|(1<<KG_ALT)|(1<<KG_CTRL));
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153
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98
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412
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99 rval = Gpm_Open (&conn, 0);
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100 switch (rval) {
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101 case -1: /* General failure */
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102 break;
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103 case -2: /* We are running under an XTerm */
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104 Gpm_Close();
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105 break;
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106 default:
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107 set_descriptor_non_blocking (gpm_fd);
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108 CONSOLE_TTY_MOUSE_FD (con) = gpm_fd;
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109 }
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110 }
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111 }
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153
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112 }
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113
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114 #endif
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