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authoryexo <yexo@openttd.org>2010-07-03 13:28:15 +0000
committeryexo <yexo@openttd.org>2010-07-03 13:28:15 +0000
commit258ca288197f60cfec79af7ea3a27805e6147c18 (patch)
treef3bd2c6f039f3f5545da9acc669e64fa4f676117 /src/hotkeys.cpp
parentd1044c036a1321d377dfe0a79ed5d39888bfd3d1 (diff)
downloadopenttd-258ca288197f60cfec79af7ea3a27805e6147c18.tar.xz
(svn r20055) -Feature: save/load hotkeys to/from hotkeys.cfg
Diffstat (limited to 'src/hotkeys.cpp')
-rw-r--r--src/hotkeys.cpp247
1 files changed, 247 insertions, 0 deletions
diff --git a/src/hotkeys.cpp b/src/hotkeys.cpp
index 9e52cbaa0..f05c921ef 100644
--- a/src/hotkeys.cpp
+++ b/src/hotkeys.cpp
@@ -11,5 +11,252 @@
#include "stdafx.h"
#include "hotkeys.h"
+#include "ini_type.h"
+#include "string_func.h"
+#include "gfx_type.h"
+#include <string.h>
+char *_hotkeys_file;
+
+/** String representation of a keycode */
+struct KeycodeNames {
+ const char *name; ///< Name of the keycode
+ WindowKeyCodes keycode; ///< The keycode
+};
+
+/** Array of non-standard keycodes that can be used in the hotkeys config file. */
+static const KeycodeNames _keycode_to_name[] = {
+ {"SHIFT", WKC_SHIFT},
+ {"CTRL", WKC_CTRL},
+ {"ALT", WKC_ALT},
+ {"META", WKC_META},
+ {"ESC", WKC_ESC},
+ {"DEL", WKC_DELETE},
+ {"RETURN", WKC_RETURN},
+ {"BACKQUOTE", WKC_BACKQUOTE},
+ {"F1", WKC_F1},
+ {"F2", WKC_F2},
+ {"F3", WKC_F3},
+ {"F4", WKC_F4},
+ {"F5", WKC_F5},
+ {"F6", WKC_F6},
+ {"F7", WKC_F7},
+ {"F8", WKC_F8},
+ {"F9", WKC_F9},
+ {"F10", WKC_F10},
+ {"F11", WKC_F11},
+ {"F12", WKC_F12},
+ {"PAUSE", WKC_PAUSE},
+ {"PLUS", (WindowKeyCodes)'+'},
+ {"COMMA", (WindowKeyCodes)','},
+};
+
+/**
+ * Try to parse a single part of a keycode.
+ * @param start Start of the string to parse.
+ * @param end End of the string to parse.
+ * @return A keycode if a match is found or 0.
+ */
+static uint16 ParseCode(const char *start, const char *end)
+{
+ assert(start <= end);
+ while (start < end && *start == ' ') start++;
+ while (end > start && *end == ' ') end--;
+ if (end - start == 1) {
+ if (*start >= 'a' && *start <= 'z') return *start - ('a' - 'A');
+ return *start;
+ }
+ for (uint i = 0; i < lengthof(_keycode_to_name); i++) {
+ if (strnicmp(start, _keycode_to_name[i].name, end - start) == 0) {
+ return _keycode_to_name[i].keycode;
+ }
+ }
+ return 0;
+}
+
+/**
+ * Parse a string representation of a keycode.
+ * @param start Start of the input.
+ * @param end End of the input.
+ * @return A valid keycode or 0.
+ */
+static uint16 ParseKeycode(const char *start, const char *end)
+{
+ assert(start <= end);
+ uint16 keycode = 0;
+ while (true) {
+ const char *cur = start;
+ while (*cur != '+' && cur != end) cur++;
+ uint16 code = ParseCode(start, cur);
+ if (code == 0) return 0;
+ if (code & WKC_SPECIAL_KEYS) {
+ keycode |= code;
+ } else {
+ /* Ignore the code if it has more then 1 letter. */
+ if (keycode & ~WKC_SPECIAL_KEYS) return 0;
+ keycode |= code;
+ }
+ if (cur == end) break;
+ assert(cur < end);
+ start = cur + 1;
+ }
+ return keycode;
+}
+
+/**
+ * Parse a string to the keycodes it represents
+ * @param hotkey The hotkey object to add the keycodes to
+ * @param value The string to parse
+ */
+template<class T>
+static void ParseHotkeys(Hotkey<T> *hotkey, const char *value)
+{
+ const char *start = value;
+ while (*start != '\0') {
+ const char *end = start;
+ while (*end != '\0' && *end != ',') end++;
+ uint16 keycode = ParseKeycode(start, end);
+ if (keycode != 0) hotkey->AddKeycode(keycode);
+ start = (*end == ',') ? end + 1: end;
+ }
+}
+
+/**
+ * Convert a hotkey to it's string representation so it can be written to the
+ * config file. Seperate parts of the keycode (like "CTRL" and "F1" are split
+ * by a '+'.
+ * @param keycode The keycode to convert to a string.
+ * @return A string representation of this keycode.
+ * @note The return value is a static buffer, strdup the result before calling
+ * this function again.
+ */
+static const char *KeycodeToString(uint16 keycode)
+{
+ static char buf[32];
+ buf[0] = '\0';
+ bool first = true;
+ if (keycode & WKC_SHIFT) {
+ strecat(buf, "SHIFT", lastof(buf));
+ first = false;
+ }
+ if (keycode & WKC_CTRL) {
+ if (!first) strecat(buf, "+", lastof(buf));
+ strecat(buf, "CTRL", lastof(buf));
+ first = false;
+ }
+ if (keycode & WKC_ALT) {
+ if (!first) strecat(buf, "+", lastof(buf));
+ strecat(buf, "ALT", lastof(buf));
+ first = false;
+ }
+ if (keycode & WKC_META) {
+ if (!first) strecat(buf, "+", lastof(buf));
+ strecat(buf, "META", lastof(buf));
+ first = false;
+ }
+ if (!first) strecat(buf, "+", lastof(buf));
+ keycode = keycode & ~WKC_SPECIAL_KEYS;
+
+ for (uint i = 0; i < lengthof(_keycode_to_name); i++) {
+ if (_keycode_to_name[i].keycode == keycode) {
+ strecat(buf, _keycode_to_name[i].name, lastof(buf));
+ return buf;
+ }
+ }
+ assert(keycode < 128);
+ char key[2];
+ key[0] = keycode;
+ key[1] = '\0';
+ strecat(buf, key, lastof(buf));
+ return buf;
+}
+
+/**
+ * Convert all keycodes attached to a hotkey to a single string. If multiple
+ * keycodes are attached to the hotkey they are split by a comma.
+ * @param hotkey The keycodes of this hotkey need to be converted to a string.
+ * @return A string representation of all keycodes.
+ * @note The return value is a static buffer, strdup the result before calling
+ * this function again.
+ */
+template<class T>
+const char *SaveKeycodes(const Hotkey<T> *hotkey)
+{
+ static char buf[128];
+ buf[0] = '\0';
+ for (uint i = 0; i < hotkey->keycodes.Length(); i++) {
+ const char *str = KeycodeToString(hotkey->keycodes[i]);
+ if (i > 0) strecat(buf, ",", lastof(buf));
+ strecat(buf, str, lastof(buf));
+ }
+ return buf;
+}
+
+template<class T>
+void LoadHotkeyGroup(IniGroup *group, T *hotkey_list)
+{
+ for (uint i = 0; hotkey_list[i].num != -1; i++) {
+ T *hotkey = &hotkey_list[i];
+ IniItem *item = group->GetItem(hotkey->name, false);
+ if (item != NULL) {
+ hotkey->keycodes.Clear();
+ ParseHotkeys(hotkey, item->value);
+ }
+ }
+}
+
+template<class T>
+void SaveHotkeyGroup(IniGroup *group, T *hotkey_list)
+{
+ for (uint i = 0; hotkey_list[i].num != -1; i++) {
+ T *hotkey = &hotkey_list[i];
+ IniItem *item = group->GetItem(hotkey->name, true);
+ if (hotkey->keycodes.Length() > 0) {
+ item->value = strdup(SaveKeycodes(hotkey));
+ }
+ }
+}
+
+template<class T>
+void SaveLoadHotkeyGroup(IniGroup *group, T *hotkey_list, bool save)
+{
+ if (save) {
+ SaveHotkeyGroup(group, hotkey_list);
+ } else {
+ LoadHotkeyGroup(group, hotkey_list);
+ }
+}
+
+
+static void SaveLoadHotkeys(bool save)
+{
+ IniFile *ini = new IniFile();
+ ini->LoadFromDisk(_hotkeys_file);
+
+ IniGroup *group;
+
+#define SL_HOTKEYS(name, window_name) \
+ extern Hotkey<window_name> *_##name##_hotkeys;\
+ group = ini->GetGroup(#name);\
+ SaveLoadHotkeyGroup(group, _##name##_hotkeys, save);
+
+
+
+#undef SL_HOTKEYS
+ if (save) ini->SaveToDisk(_hotkeys_file);
+ delete ini;
+}
+
+
+/** Load the hotkeys from the config file */
+void LoadHotkeysFromConfig()
+{
+ SaveLoadHotkeys(false);
+}
+
+/** Save the hotkeys to the config file */
+void SaveHotkeysToConfig()
+{
+ SaveLoadHotkeys(true);
+}