]> git.rm.cloudns.org Git - xonotic/darkplaces.git/commitdiff
Forbid use of ctrl+alt combo in console. Fixes altgr usage on some layouts
authorcloudwalk <cloudwalk@d7cf8633-e32d-0410-b094-e92efae38249>
Wed, 10 Jun 2020 05:19:24 +0000 (05:19 +0000)
committercloudwalk <cloudwalk@d7cf8633-e32d-0410-b094-e92efae38249>
Wed, 10 Jun 2020 05:19:24 +0000 (05:19 +0000)
https://gitlab.com/xonotic/darkplaces/-/merge_requests/58

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12663 d7cf8633-e32d-0410-b094-e92efae38249

keys.c

diff --git a/keys.c b/keys.c
index 53eaa7b0d49c1f5aa84f5da8e0d3260501744c8f..cb050819eabeb8a641b38922bdf3f1747b7e5aa4 100644 (file)
--- a/keys.c
+++ b/keys.c
@@ -671,6 +671,16 @@ Key_ClearEditLine (int edit_line)
        key_linepos = 1;
 }
 
+// key modifier states
+#define KM_NONE           (!keydown[K_CTRL] && !keydown[K_SHIFT] && !keydown[K_ALT])
+#define KM_CTRL_SHIFT_ALT ( keydown[K_CTRL] &&  keydown[K_SHIFT] &&  keydown[K_ALT])
+#define KM_CTRL_SHIFT     ( keydown[K_CTRL] &&  keydown[K_SHIFT] && !keydown[K_ALT])
+#define KM_CTRL_ALT       ( keydown[K_CTRL] && !keydown[K_SHIFT] &&  keydown[K_ALT])
+#define KM_SHIFT_ALT      (!keydown[K_CTRL] &&  keydown[K_SHIFT] &&  keydown[K_ALT])
+#define KM_CTRL           ( keydown[K_CTRL] && !keydown[K_SHIFT] && !keydown[K_ALT])
+#define KM_SHIFT          (!keydown[K_CTRL] &&  keydown[K_SHIFT] && !keydown[K_ALT])
+#define KM_ALT            (!keydown[K_CTRL] && !keydown[K_SHIFT] &&  keydown[K_ALT])
+
 /*
 ====================
 Interactive line editing and console scrollback
@@ -682,51 +692,30 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
        // LadyHavoc: copied most of this from Q2 to improve keyboard handling
        switch (key)
        {
-       case K_KP_SLASH:
-               key = '/';
-               break;
-       case K_KP_MINUS:
-               key = '-';
-               break;
-       case K_KP_PLUS:
-               key = '+';
-               break;
-       case K_KP_HOME:
-               key = '7';
-               break;
-       case K_KP_UPARROW:
-               key = '8';
-               break;
-       case K_KP_PGUP:
-               key = '9';
-               break;
-       case K_KP_LEFTARROW:
-               key = '4';
-               break;
-       case K_KP_5:
-               key = '5';
-               break;
-       case K_KP_RIGHTARROW:
-               key = '6';
-               break;
-       case K_KP_END:
-               key = '1';
-               break;
-       case K_KP_DOWNARROW:
-               key = '2';
-               break;
-       case K_KP_PGDN:
-               key = '3';
-               break;
-       case K_KP_INS:
-               key = '0';
-               break;
-       case K_KP_DEL:
-               key = '.';
-               break;
-       }
-
-       if ((key == 'v' && keydown[K_CTRL]) || ((key == K_INS || key == K_KP_INS) && keydown[K_SHIFT]))
+               case K_KP_SLASH:      key = '/'; break;
+               case K_KP_MINUS:      key = '-'; break;
+               case K_KP_PLUS:       key = '+'; break;
+               case K_KP_HOME:       key = '7'; break;
+               case K_KP_UPARROW:    key = '8'; break;
+               case K_KP_PGUP:       key = '9'; break;
+               case K_KP_LEFTARROW:  key = '4'; break;
+               case K_KP_5:          key = '5'; break;
+               case K_KP_RIGHTARROW: key = '6'; break;
+               case K_KP_END:        key = '1'; break;
+               case K_KP_DOWNARROW:  key = '2'; break;
+               case K_KP_PGDN:       key = '3'; break;
+               case K_KP_INS:        key = '0'; break;
+               case K_KP_DEL:        key = '.'; break;
+       }
+
+       // Forbid Ctrl Alt shortcuts since on Windows they are used to type some characters
+       // in certain non-English keyboards using the AltGr key (which emulates Ctrl Alt)
+       // Reference: "Why Ctrl+Alt shouldn't be used as a shortcut modifier"
+       //            https://blogs.msdn.microsoft.com/oldnewthing/20040329-00/?p=40003
+       if (keydown[K_CTRL] && keydown[K_ALT])
+               goto add_char;
+
+       if ((key == 'v' && KM_CTRL) || ((key == K_INS || key == K_KP_INS) && KM_SHIFT))
        {
                char *cbd, *p;
                if ((cbd = Sys_GetClipboardData()) != 0)
@@ -763,13 +752,13 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                return;
        }
 
-       if (key == 'l' && keydown[K_CTRL])
+       if (key == 'l' && KM_CTRL)
        {
                Cbuf_AddText (cmd, "clear\n");
                return;
        }
 
-       if (key == 'u' && keydown[K_CTRL]) // like vi/readline ^u: delete currently edited line
+       if (key == 'u' && KM_CTRL) // like vi/readline ^u: delete currently edited line
        {
                // clear line
                key_line[0] = ']';
@@ -778,7 +767,7 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                return;
        }
 
-       if (key == 'q' && keydown[K_CTRL]) // like zsh ^q: push line to history, don't execute, and clear
+       if (key == 'q' && KM_CTRL) // like zsh ^q: push line to history, don't execute, and clear
        {
                // clear line
                Key_History_Push();
@@ -788,7 +777,7 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                return;
        }
 
-       if (key == K_ENTER || key == K_KP_ENTER)
+       if ((key == K_ENTER || key == K_KP_ENTER) && KM_NONE)
        {
                Cbuf_AddText (cmd, key_line+1); // skip the ]
                Cbuf_AddText (cmd, "\n");
@@ -804,7 +793,7 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
 
        if (key == K_TAB)
        {
-               if(keydown[K_CTRL]) // append to the cvar its value
+               if (KM_CTRL) // append the cvar value to the cvar name
                {
                        int             cvar_len, cvar_str_len, chars_to_move;
                        char    k;
@@ -855,11 +844,15 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                                Con_Printf("Couldn't append cvar value, edit line too long.\n");
                        return;
                }
-               // Enhanced command completion
-               // by EvilTypeGuy eviltypeguy@qeradiant.com
-               // Thanks to Fett, Taniwha
-               Con_CompleteCommandLine(cmd);
-               return;
+
+               if (KM_NONE)
+               {
+                       // Enhanced command completion
+                       // by EvilTypeGuy eviltypeguy@qeradiant.com
+                       // Thanks to Fett, Taniwha
+                       Con_CompleteCommandLine(cmd);
+                       return;
+               }
        }
 
        // Advanced Console Editing by Radix radix@planetquake.com
@@ -870,12 +863,12 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
        // move cursor to the previous character
        if (key == K_LEFTARROW || key == K_KP_LEFTARROW)
        {
-               if (key_linepos < 2)
-                       return;
-               if(keydown[K_CTRL]) // move cursor to the previous word
+               if(KM_CTRL) // move cursor to the previous word
                {
                        int             pos;
                        char    k;
+                       if (key_linepos < 2)
+                               return;
                        pos = key_linepos-1;
 
                        if(pos) // skip all "; ' after the word
@@ -894,11 +887,15 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                                                break;
                                }
                        key_linepos = pos + 1;
+                       return;
                }
-               else if(keydown[K_SHIFT]) // move cursor to the previous character ignoring colors
+
+               if(KM_SHIFT) // move cursor to the previous character ignoring colors
                {
                        int             pos;
                        size_t          inchar = 0;
+                       if (key_linepos < 2)
+                               return;
                        pos = (int)u8_prevbyte(key_line+1, key_linepos-1) + 1; // do NOT give the ']' to u8_prevbyte
                        while (pos)
                                if(pos-1 > 0 && key_line[pos-1] == STRING_COLOR_TAG && isdigit(key_line[pos]))
@@ -916,16 +913,20 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                        // we need to move to the beginning of the character when in a wide character:
                        u8_charidx(key_line, pos + 1, &inchar);
                        key_linepos = (int)(pos + 1 - inchar);
+                       return;
                }
-               else
+
+               if(KM_NONE)
                {
+                       if (key_linepos < 2)
+                               return;
                        key_linepos = (int)u8_prevbyte(key_line+1, key_linepos-1) + 1; // do NOT give the ']' to u8_prevbyte
+                       return;
                }
-               return;
        }
 
        // delete char before cursor
-       if (key == K_BACKSPACE || (key == 'h' && keydown[K_CTRL]))
+       if ((key == K_BACKSPACE && KM_NONE) || (key == 'h' && KM_CTRL))
        {
                if (key_linepos > 1)
                {
@@ -937,7 +938,7 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
        }
 
        // delete char on cursor
-       if (key == K_DEL || key == K_KP_DEL)
+       if ((key == K_DEL || key == K_KP_DEL) && KM_NONE)
        {
                size_t linelen;
                linelen = strlen(key_line);
@@ -950,13 +951,13 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
        // move cursor to the next character
        if (key == K_RIGHTARROW || key == K_KP_RIGHTARROW)
        {
-               if (key_linepos >= (int)strlen(key_line))
-                       return;
-               if(keydown[K_CTRL]) // move cursor to the next word
+               if (KM_CTRL) // move cursor to the next word
                {
                        int             pos, len;
                        char    k;
                        len = (int)strlen(key_line);
+                       if (key_linepos >= len)
+                               return;
                        pos = key_linepos;
 
                        while(++pos < len)
@@ -974,11 +975,15 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                                                break;
                                }
                        key_linepos = pos;
+                       return;
                }
-               else if(keydown[K_SHIFT]) // move cursor to the next character ignoring colors
+
+               if (KM_SHIFT) // move cursor to the next character ignoring colors
                {
                        int             pos, len;
                        len = (int)strlen(key_line);
+                       if (key_linepos >= len)
+                               return;
                        pos = key_linepos;
                        
                        // go beyond all initial consecutive color tags, if any
@@ -1010,13 +1015,19 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                                                break;
                                }
                        key_linepos = pos;
+                       return;
                }
-               else
+
+               if (KM_NONE)
+               {
+                       if (key_linepos >= (int)strlen(key_line))
+                               return;
                        key_linepos += (int)u8_bytelen(key_line + key_linepos, 1);
-               return;
+                       return;
+               }
        }
 
-       if (key == K_INS || key == K_KP_INS) // toggle insert mode
+       if ((key == K_INS || key == K_KP_INS) && KM_NONE) // toggle insert mode
        {
                key_insert ^= 1;
                return;
@@ -1024,13 +1035,13 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
 
        // End Advanced Console Editing
 
-       if (key == K_UPARROW || key == K_KP_UPARROW || (key == 'p' && keydown[K_CTRL]))
+       if (((key == K_UPARROW || key == K_KP_UPARROW) && KM_NONE) || (key == 'p' && KM_CTRL))
        {
                Key_History_Up();
                return;
        }
 
-       if (key == K_DOWNARROW || key == K_KP_DOWNARROW || (key == 'n' && keydown[K_CTRL]))
+       if (((key == K_DOWNARROW || key == K_KP_DOWNARROW) && KM_NONE) || (key == 'n' && KM_CTRL))
        {
                Key_History_Down();
                return;
@@ -1039,7 +1050,7 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
        if (keydown[K_CTRL])
        {
                // prints all the matching commands
-               if (key == 'f')
+               if (key == 'f' && KM_CTRL)
                {
                        Key_History_Find_All();
                        return;
@@ -1047,21 +1058,24 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
                // Search forwards/backwards, pointing the history's index to the
                // matching command but without fetching it to let one continue the search.
                // To fetch it, it suffices to just press UP or DOWN.
-               if (key == 'r')
+               if (key == 'r' && KM_CTRL_SHIFT)
                {
-                       if (keydown[K_SHIFT])
-                               Key_History_Find_Forwards();
-                       else
-                               Key_History_Find_Backwards();
+                       Key_History_Find_Forwards();
+                       return;
+               }
+               if (key == 'r' && KM_CTRL)
+               {
+                       Key_History_Find_Backwards();
                        return;
                }
+
                // go to the last/first command of the history
-               if (key == ',')
+               if (key == ',' && KM_CTRL)
                {
                        Key_History_First();
                        return;
                }
-               if (key == '.')
+               if (key == '.' && KM_CTRL)
                {
                        Key_History_Last();
                        return;
@@ -1070,66 +1084,88 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
 
        if (key == K_PGUP || key == K_KP_PGUP)
        {
-               if(keydown[K_CTRL])
+               if (KM_CTRL)
                {
                        con_backscroll += ((vid_conheight.integer >> 2) / con_textsize.integer)-1;
+                       return;
                }
-               else
+               if (KM_NONE)
+               {
                        con_backscroll += ((vid_conheight.integer >> 1) / con_textsize.integer)-3;
-               return;
+                       return;
+               }
        }
 
        if (key == K_PGDN || key == K_KP_PGDN)
        {
-               if(keydown[K_CTRL])
+               if (KM_CTRL)
                {
                        con_backscroll -= ((vid_conheight.integer >> 2) / con_textsize.integer)-1;
+                       return;
                }
-               else
+               if (KM_NONE)
+               {
                        con_backscroll -= ((vid_conheight.integer >> 1) / con_textsize.integer)-3;
-               return;
+                       return;
+               }
        }
+
        if (key == K_MWHEELUP)
        {
-               if(keydown[K_CTRL])
+               if (KM_CTRL)
+               {
                        con_backscroll += 1;
-               else if(keydown[K_SHIFT])
+                       return;
+               }
+               if (KM_SHIFT)
+               {
                        con_backscroll += ((vid_conheight.integer >> 2) / con_textsize.integer)-1;
-               else
+                       return;
+               }
+               if (KM_NONE)
+               {
                        con_backscroll += 5;
-               return;
+                       return;
+               }
        }
 
        if (key == K_MWHEELDOWN)
        {
-               if(keydown[K_CTRL])
+               if (KM_CTRL)
+               {
                        con_backscroll -= 1;
-               else if(keydown[K_SHIFT])
+                       return;
+               }
+               if (KM_SHIFT)
+               {
                        con_backscroll -= ((vid_conheight.integer >> 2) / con_textsize.integer)-1;
-               else
+                       return;
+               }
+               if (KM_NONE)
+               {
                        con_backscroll -= 5;
-               return;
+                       return;
+               }
        }
 
        if (keydown[K_CTRL])
        {
                // text zoom in
-               if (key == '+' || key == K_KP_PLUS)
+               if ((key == '+' || key == K_KP_PLUS) && KM_CTRL)
                {
                        if (con_textsize.integer < 128)
                                Cvar_SetValueQuick(&con_textsize, con_textsize.integer + 1);
                        return;
                }
                // text zoom out
-               if (key == '-' || key == K_KP_MINUS)
+               if ((key == '-' || key == K_KP_MINUS) && KM_CTRL)
                {
                        if (con_textsize.integer > 1)
                                Cvar_SetValueQuick(&con_textsize, con_textsize.integer - 1);
                        return;
                }
                // text zoom reset
-               if (key == '0' || key == K_KP_INS)
+               if ((key == '0' || key == K_KP_INS) && KM_CTRL)
                {
                        Cvar_SetValueQuick(&con_textsize, atoi(Cvar_VariableDefString(&cvars_all, "con_textsize", CVAR_CLIENT | CVAR_SERVER)));
                        return;
@@ -1138,22 +1174,34 @@ Key_Console (cmd_state_t *cmd, int key, int unicode)
 
        if (key == K_HOME || key == K_KP_HOME)
        {
-               if (keydown[K_CTRL])
+               if (KM_CTRL)
+               {
                        con_backscroll = CON_TEXTSIZE;
-               else
+                       return;
+               }
+               if (KM_NONE)
+               {
                        key_linepos = 1;
-               return;
+                       return;
+               }
        }
 
        if (key == K_END || key == K_KP_END)
        {
-               if (keydown[K_CTRL])
+               if (KM_CTRL)
+               {
                        con_backscroll = 0;
-               else
+                       return;
+               }
+               if (KM_NONE)
+               {
                        key_linepos = (int)strlen(key_line);
-               return;
+                       return;
+               }
        }
 
+add_char:
+
        // non printable
        if (unicode < 32)
                return;