src/preferences/keyboard/KeyboardSettings.cpp

   1 /*
   2  * Copyright 2004-2006, the Haiku project. All rights reserved.
   3  * Distributed under the terms of the Haiku License.
   4  *
   5  * Authors in chronological order:
   6  *  mccall@digitalparadise.co.uk
   7  *  Jérôme Duval
   8  *  Marcus Overhagen
   9 */
  10 #include <FindDirectory.h>
  11 #include <File.h>
  12 #include <Path.h>
  13 #include <stdio.h>
  14 #include "KeyboardSettings.h"
  15
  16 // Keyboard setting file layout is like this:
  17 // struct {
  18 //    struct kb_settings; // managed by input server
  19 //    BPoint corner;      // used by pref app
  20 // }
  21
  22 KeyboardSettings::KeyboardSettings()
  23 {
  24         if (get_key_repeat_rate(&fSettings.key_repeat_rate) != B_OK)
  25                 fSettings.key_repeat_rate = kb_default_key_repeat_rate;
  26
  27         if (get_key_repeat_delay(&fSettings.key_repeat_delay) != B_OK)
  28                 fSettings.key_repeat_delay = kb_default_key_repeat_delay;
  29
  30         fOriginalSettings = fSettings;
  31
  32         BPath path;
  33         BFile file;
  34
  35         fCorner.x = 150;
  36         fCorner.y = 100;
  37
  38         status_t status = find_directory(B_USER_SETTINGS_DIRECTORY, &path);
  39         if (status == B_OK) {
  40                 status = path.Append(kb_settings_file);
  41                 if (status == B_OK) {
  42                         status = file.SetTo(path.Path(), B_READ_ONLY);
  43                         if (status == B_OK) {
  44                                 if (file.ReadAt(sizeof(kb_settings), &fCorner, sizeof(fCorner)) != sizeof(fCorner)) {
  45                                         fCorner.x = 150;
  46                                         fCorner.y = 100;
  47                                 }
  48                         }
  49                 }
  50         }
  51 }
  52
  53
  54 KeyboardSettings::~KeyboardSettings()
  55 {
  56         BPath path;
  57         BFile file;
  58
  59         if (find_directory(B_USER_SETTINGS_DIRECTORY, &path) < B_OK)
  60                 return;
  61
  62         if (path.Append(kb_settings_file) < B_OK)
  63                 return;
  64
  65         // be careful: don't create the file if it doesn't already exist
  66         if (file.SetTo(path.Path(), B_WRITE_ONLY) < B_OK)
  67                 return;
  68
  69         file.WriteAt(sizeof(kb_settings), &fCorner, sizeof(fCorner));
  70 }
  71
  72
  73 void
  74 KeyboardSettings::SetWindowCorner(BPoint corner)
  75 {
  76         fCorner = corner;
  77 }
  78
  79
  80 void
  81 KeyboardSettings::SetKeyboardRepeatRate(int32 rate)
  82 {
  83         if (set_key_repeat_rate(rate) != B_OK)
  84                 fprintf(stderr, "error while set_key_repeat_rate!\n");
  85         fSettings.key_repeat_rate = rate;
  86 }
  87
  88
  89 void
  90 KeyboardSettings::SetKeyboardRepeatDelay(bigtime_t delay)
  91 {
  92         if (set_key_repeat_delay(delay) != B_OK)
  93                 fprintf(stderr, "error while set_key_repeat_delay!\n");
  94         fSettings.key_repeat_delay = delay;
  95 }
  96
  97
  98 void
  99 KeyboardSettings::Dump()
 100 {
 101         printf("repeat rate: %" B_PRId32 "\n", fSettings.key_repeat_rate);
 102         printf("repeat delay: %" B_PRId64 "\n", fSettings.key_repeat_delay);
 103 }
 104
 105
 106 void
 107 KeyboardSettings::Revert()
 108 {
 109         SetKeyboardRepeatDelay(fOriginalSettings.key_repeat_delay);
 110         SetKeyboardRepeatRate(fOriginalSettings.key_repeat_rate);
 111 }
 112
 113
 114 void
 115 KeyboardSettings::Defaults()
 116 {
 117         SetKeyboardRepeatDelay(kb_default_key_repeat_delay);
 118         SetKeyboardRepeatRate(kb_default_key_repeat_rate);
 119 }
 120
 121
 122 bool
 123 KeyboardSettings::IsDefaultable()
 124 {
 125         return fSettings.key_repeat_delay != kb_default_key_repeat_delay
 126                 || fSettings.key_repeat_rate != kb_default_key_repeat_rate;
 127 }