ref: 3c2e7735a0134c5ce6af9624b65b7f3d27c752f1
parent: 500bcb6919887185f4f98763a36c5c243e11bae5
author: Simon Howard <fraggle@gmail.com>
date: Wed Jun 3 19:20:37 EDT 2009
Add unique key groups for menu navigation and shortcuts. Subversion-branch: /trunk/chocolate-doom Subversion-revision: 1548
--- a/setup/keyboard.c
+++ b/setup/keyboard.c
@@ -70,10 +70,22 @@
static int always_run = 0;
-static int *allkeys[] = {&key_left, &key_right, &key_up, &key_down, - &key_strafeleft, &key_straferight, &key_fire,
- &key_use, &key_strafe, &key_speed};
+// Keys within these groups cannot have the same value.
+static int *controls[] = { &key_left, &key_right, &key_up, &key_down,+ &key_strafeleft, &key_straferight, &key_fire,
+ &key_use, &key_strafe, &key_speed, NULL };
+
+static int *menu_nav[] = { &key_menu_activate, &key_menu_up, &key_menu_down,+ &key_menu_left, &key_menu_right, &key_menu_back,
+ &key_menu_forward, NULL };
+
+static int *shortcuts[] = { &key_menu_help, &key_menu_save, &key_menu_load,+ &key_menu_volume, &key_menu_detail, &key_menu_qsave,
+ &key_menu_endgame, &key_menu_messages,
+ &key_menu_qload, &key_menu_quit, &key_menu_gamma,
+ &key_menu_incscreen, &key_menu_decscreen, NULL };
+
static void UpdateJoybSpeed(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(var))
{if (always_run)
@@ -94,47 +106,68 @@
}
}
-// Callback invoked when a key control is set
+static int VarInGroup(int *variable, int **group)
+{+ unsigned int i;
-static void KeySetCallback(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(variable))
+ for (i=0; group[i] != NULL; ++i)
+ {+ if (group[i] == variable)
+ {+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static void CheckKeyGroup(int *variable, int **group)
{- TXT_CAST_ARG(int, variable);
unsigned int i;
- for (i=0; i<arrlen(allkeys); ++i)
+ // Don't check unless the variable is in this group.
+
+ if (!VarInGroup(variable, group))
{- if (*variable == *allkeys[i] && allkeys[i] != variable)
+ return;
+ }
+
+ // If another variable has the same value as the new value, reset it.
+
+ for (i=0; group[i] != NULL; ++i)
+ {+ if (*variable == *group[i] && group[i] != variable)
{// A different key has the same value. Clear the existing
// value. This ensures that no two keys can have the same
// value.
- *allkeys[i] = 0;
+ *group[i] = 0;
}
}
}
-// Add a label and keyboard input to the specified table.
+// Callback invoked when a key control is set
-static txt_key_input_t *AddKeyInput(txt_table_t *table, char *name, int *var)
+static void KeySetCallback(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(variable))
{- txt_key_input_t *key_input;
+ TXT_CAST_ARG(int, variable);
- TXT_AddWidget(table, TXT_NewLabel(name));
- key_input = TXT_NewKeyInput(var);
- TXT_AddWidget(table, key_input);
-
- return key_input;
+ CheckKeyGroup(variable, controls);
+ CheckKeyGroup(variable, menu_nav);
+ CheckKeyGroup(variable, shortcuts);
}
-// Add a keyboard input for a game control. Each key can only be bound
-// to one game control at a time.
+// Add a label and keyboard input to the specified table.
static void AddKeyControl(txt_table_t *table, char *name, int *var)
{txt_key_input_t *key_input;
- key_input = AddKeyInput(table, name, var);
+ TXT_AddWidget(table, TXT_NewLabel(name));
+ key_input = TXT_NewKeyInput(var);
+ TXT_AddWidget(table, key_input);
+
TXT_SignalConnect(key_input, "set", KeySetCallback, var);
}
@@ -150,30 +183,30 @@
TXT_SetColumnWidths(table, 25, 10);
- AddKeyInput(table, "Activate menu", &key_menu_activate);
- AddKeyInput(table, "Move cursor up", &key_menu_up);
- AddKeyInput(table, "Move cursor down", &key_menu_down);
- AddKeyInput(table, "Move slider left", &key_menu_left);
- AddKeyInput(table, "Move slider right", &key_menu_right);
- AddKeyInput(table, "Go to previous menu", &key_menu_back);
- AddKeyInput(table, "Activate menu item", &key_menu_forward);
- AddKeyInput(table, "Confirm action", &key_menu_confirm);
- AddKeyInput(table, "Cancel action", &key_menu_abort);
+ AddKeyControl(table, "Activate menu", &key_menu_activate);
+ AddKeyControl(table, "Move cursor up", &key_menu_up);
+ AddKeyControl(table, "Move cursor down", &key_menu_down);
+ AddKeyControl(table, "Move slider left", &key_menu_left);
+ AddKeyControl(table, "Move slider right", &key_menu_right);
+ AddKeyControl(table, "Go to previous menu", &key_menu_back);
+ AddKeyControl(table, "Activate menu item", &key_menu_forward);
+ AddKeyControl(table, "Confirm action", &key_menu_confirm);
+ AddKeyControl(table, "Cancel action", &key_menu_abort);
- AddKeyInput(table, "Help screen", &key_menu_help);
- AddKeyInput(table, "Save game", &key_menu_save);
- AddKeyInput(table, "Load game", &key_menu_load);
- AddKeyInput(table, "Sound volume", &key_menu_volume);
- AddKeyInput(table, "Toggle detail", &key_menu_detail);
- AddKeyInput(table, "Quick save", &key_menu_qsave);
- AddKeyInput(table, "End game", &key_menu_endgame);
- AddKeyInput(table, "Toggle messages", &key_menu_messages);
- AddKeyInput(table, "Quick load", &key_menu_qload);
- AddKeyInput(table, "Quit game", &key_menu_quit);
- AddKeyInput(table, "Toggle gamma", &key_menu_gamma);
+ AddKeyControl(table, "Help screen", &key_menu_help);
+ AddKeyControl(table, "Save game", &key_menu_save);
+ AddKeyControl(table, "Load game", &key_menu_load);
+ AddKeyControl(table, "Sound volume", &key_menu_volume);
+ AddKeyControl(table, "Toggle detail", &key_menu_detail);
+ AddKeyControl(table, "Quick save", &key_menu_qsave);
+ AddKeyControl(table, "End game", &key_menu_endgame);
+ AddKeyControl(table, "Toggle messages", &key_menu_messages);
+ AddKeyControl(table, "Quick load", &key_menu_qload);
+ AddKeyControl(table, "Quit game", &key_menu_quit);
+ AddKeyControl(table, "Toggle gamma", &key_menu_gamma);
- AddKeyInput(table, "Increase screen size", &key_menu_incscreen);
- AddKeyInput(table, "Decrease screen size", &key_menu_decscreen);
+ AddKeyControl(table, "Increase screen size", &key_menu_incscreen);
+ AddKeyControl(table, "Decrease screen size", &key_menu_decscreen);
scrollpane = TXT_NewScrollPane(0, 10, table);
@@ -209,18 +242,18 @@
TXT_SignalConnect(run_control, "changed", UpdateJoybSpeed, NULL);
- AddKeyControl(movement_table, "Move Forward", &key_up);
+ AddKeyControl(movement_table, "Move Forward", &key_up);
AddKeyControl(movement_table, "Move Backward", &key_down);
- AddKeyControl(movement_table, "Turn Left", &key_left);
- AddKeyControl(movement_table, "Turn Right", &key_right);
- AddKeyControl(movement_table, "Strafe Left", &key_strafeleft);
- AddKeyControl(movement_table, "Strafe Right", &key_straferight);
- AddKeyControl(movement_table, "Speed On", &key_speed);
- AddKeyControl(movement_table, "Strafe On", &key_strafe);
+ AddKeyControl(movement_table, "Turn Left", &key_left);
+ AddKeyControl(movement_table, "Turn Right", &key_right);
+ AddKeyControl(movement_table, "Strafe Left", &key_strafeleft);
+ AddKeyControl(movement_table, "Strafe Right", &key_straferight);
+ AddKeyControl(movement_table, "Speed On", &key_speed);
+ AddKeyControl(movement_table, "Strafe On", &key_strafe);
TXT_SetColumnWidths(action_table, 20, 8);
- AddKeyControl(action_table, "Use", &key_use);
+ AddKeyControl(action_table, "Use", &key_use);
AddKeyControl(action_table, "Fire", &key_fire);
TXT_SetWindowAction(window, TXT_HORIZ_CENTER, TestConfigAction());