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gui_macvim.m
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gui_macvim.m
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/* vi:set ts=8 sts=4 sw=4 ft=objc:
*
* VIM - Vi IMproved by Bram Moolenaar
* MacVim GUI port by Bjorn Winckler
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* gui_macvim.m
*
* Hooks for the Vim gui code. Mainly passes control on to MMBackend.
*/
#import "MMBackend.h"
#import "MacVim.h"
#import "vim.h"
#import <Foundation/Foundation.h>
// HACK! Used in gui.c to determine which string drawing code to use.
int use_gui_macvim_draw_string = 1;
static int use_graphical_sign = 0;
// Max number of files to add to MRU in one go (this matches the maximum that
// Cocoa displays in the MRU -- if this changes in Cocoa then update this
// number as well).
static int MMMaxMRU = 10;
// Enabled when files passed on command line should not be added to MRU.
static BOOL MMNoMRU = NO;
static NSString *MMDefaultFontName = @"Menlo Regular";
static int MMDefaultFontSize = 11;
static int MMMinFontSize = 6;
static int MMMaxFontSize = 100;
static GuiFont gui_macvim_font_with_name(char_u *name);
static int specialKeyToNSKey(int key);
static int vimModMaskToEventModifierFlags(int mods);
NSArray *descriptor_for_menu(vimmenu_T *menu);
vimmenu_T *menu_for_descriptor(NSArray *desc);
// -- Initialization --------------------------------------------------------
void
macvim_early_init()
{
NSBundle *bundle = [NSBundle mainBundle];
if (bundle) {
// Set environment variables $VIM and $VIMRUNTIME
NSString *path = [[bundle resourcePath]
stringByAppendingPathComponent:@"vim"];
char_u *p = mch_getenv((char_u *)"VIM");
if (p == NULL || *p == NUL) {
vim_setenv((char_u*)"VIM", (char_u*)[path UTF8String]);
}
p = mch_getenv((char_u *)"VIMRUNTIME");
if (p == NULL || *p == NUL) {
path = [path stringByAppendingPathComponent:@"runtime"];
vim_setenv((char_u*)"VIMRUNTIME", (char_u*)[path UTF8String]);
}
}
#if 0 // NOTE: setlocale(LC_ALL, "") seems to work after a restart so this is
// not necessary. The locale used depends on what "Region" is set
// inside the "Formats" tab of the "International" System Preferences
// pane.
// Try to ensure that the locale is set to match that used by NSBundle to
// load localized resources. If there is a mismatch e.g. between the
// MacVim menu and other menus, then this code needs to change (nb. the
// MacVim menu is set up inside a nib file so the locale used for it is
// chosen by NSBundle and the other menus are set up by Vim so their locale
// matches whatever we set here).
NSLocale *loc = [NSLocale currentLocale];
if (loc) {
NSString *s = [NSString stringWithFormat:@"%@_%@.UTF-8",
[loc objectForKey:NSLocaleLanguageCode],
[loc objectForKey:NSLocaleCountryCode]];
setlocale(LC_ALL, [s UTF8String]);
fprintf(stderr, "locale=%s\n", [s UTF8String]);
fflush(stderr);
}
#endif
}
/*
* Parse the GUI related command-line arguments. Any arguments used are
* deleted from argv, and *argc is decremented accordingly. This is called
* when vim is started, whether or not the GUI has been started.
* NOTE: This function will be called twice if the Vim process forks.
*/
void
gui_mch_prepare(int *argc, char **argv)
{
// NOTE! Vim expects this method to remove args that it handles from the
// arg list but if the process then forks then these arguments will not
// reach the child process due to the way forking is handled on Mac OS X.
//
// Thus, only delete arguments that imply that no forking is done.
//
// If you add an argument that does not imply no forking, then do not
// delete it from the arg list. Such arguments must be ignored in main.c
// command_line_scan() or Vim will issue an error on startup when that
// argument is used.
int i = 0;
while (i < *argc) {
BOOL delarg = NO;
if (strncmp(argv[i], "--mmwaitforack", 14) == 0) {
// Implies -f (only called from front end)
[[MMBackend sharedInstance] setWaitForAck:YES];
delarg = YES;
}
#ifdef FEAT_NETBEANS_INTG
else if (strncmp(argv[i], "-nb", 3) == 0) {
// TODO: Can this be used without -f? If so, should not del arg.
netbeansArg = argv[i];
delarg = YES;
}
#endif
else if (strncmp(argv[i], "--nomru", 7) == 0) {
// Can be used without -f, do not delete from arg list!
MMNoMRU = YES;
}
if (delarg) {
// NOTE: See comment above about when to delete arguments!
--*argc;
if (*argc > i)
mch_memmove(&argv[i], &argv[i+1], (*argc-i) * sizeof(char*));
} else
++i;
}
}
/* Called directly after forking (even if we didn't fork). */
void
gui_macvim_after_fork_init()
{
ASLInit();
ASLogDebug(@"");
// Restore autosaved rows & columns
CFIndex rows, cols;
Boolean rowsValid, colsValid;
rows = CFPreferencesGetAppIntegerValue((CFStringRef)MMAutosaveRowsKey,
kCFPreferencesCurrentApplication,
&rowsValid);
cols = CFPreferencesGetAppIntegerValue((CFStringRef)MMAutosaveColumnsKey,
kCFPreferencesCurrentApplication,
&colsValid);
if (rowsValid && colsValid
&& (rows > 4 && rows < 1000 && cols > 29 && cols < 4000)) {
gui.num_rows = rows;
gui.num_cols = cols;
} else {
// Use the defaults (typically 80x24), if there are no autosaved rows &
// columns.
gui.num_rows = Rows;
gui.num_cols = Columns;
}
// Check which code path to take for string drawing.
CFIndex val;
Boolean keyValid;
val = CFPreferencesGetAppIntegerValue((CFStringRef)MMRendererKey,
kCFPreferencesCurrentApplication,
&keyValid);
if (keyValid) {
ASLogInfo(@"Use renderer=%ld", val);
use_gui_macvim_draw_string = (val != MMRendererCoreText);
// For now only the Core Text renderer knows how to render graphical
// signs.
use_graphical_sign = (val == MMRendererCoreText);
}
}
/*
* Check if the GUI can be started. Called before gvimrc is sourced.
* Return OK or FAIL.
*/
int
gui_mch_init_check(void)
{
return OK;
}
/*
* Initialise the GUI. Create all the windows, set up all the call-backs etc.
* Returns OK for success, FAIL when the GUI can't be started.
*/
int
gui_mch_init(void)
{
ASLogDebug(@"");
if (![[MMBackend sharedInstance] checkin]) {
// TODO: Kill the process if there is no terminal to fall back on,
// otherwise the process will run outputting to the console.
return FAIL;
}
// Force 'termencoding' to utf-8 (changes to 'tenc' are disallowed in
// 'option.c', so that ':set termencoding=...' is impossible).
set_option_value((char_u *)"termencoding", 0L, (char_u *)"utf-8", 0);
// Set values so that pixels and characters are in one-to-one
// correspondence (assuming all characters have the same dimensions).
gui.scrollbar_width = gui.scrollbar_height = 0;
gui.char_height = 1;
gui.char_width = 1;
gui.char_ascent = 0;
gui_mch_def_colors();
[[MMBackend sharedInstance]
setDefaultColorsBackground:gui.back_pixel foreground:gui.norm_pixel];
[[MMBackend sharedInstance] setBackgroundColor:gui.back_pixel];
[[MMBackend sharedInstance] setForegroundColor:gui.norm_pixel];
// NOTE: If this call is left out the cursor is opaque.
highlight_gui_started();
// Ensure 'linespace' option is passed along to MacVim in case it was set
// in [g]vimrc.
gui_mch_adjust_charheight();
if (!MMNoMRU && GARGCOUNT > 0) {
// Add files passed on command line to MRU.
NSMutableArray *filenames = [NSMutableArray array];
int i, count = GARGCOUNT > MMMaxMRU ? MMMaxMRU : GARGCOUNT;
for (i = 0; i < count; ++i) {
char_u *fname = GARGLIST[i].ae_fname;
if (!fname) continue;
// Expand to a full file name (including the full path).
char_u *ffname = fix_fname(fname);
if (!ffname) continue;
[filenames addObject:[NSString stringWithVimString:ffname]];
vim_free(ffname);
}
[[MMBackend sharedInstance] addToMRU:filenames];
}
return OK;
}
void
gui_mch_exit(int rc)
{
ASLogDebug(@"rc=%d", rc);
[[MMBackend sharedInstance] exit];
}
/*
* Open the GUI window which was created by a call to gui_mch_init().
*/
int
gui_mch_open(void)
{
return [[MMBackend sharedInstance] openGUIWindow];
}
// -- Updating --------------------------------------------------------------
/*
* Catch up with any queued X events. This may put keyboard input into the
* input buffer, call resize call-backs, trigger timers etc. If there is
* nothing in the X event queue (& no timers pending), then we return
* immediately.
*/
void
gui_mch_update(void)
{
// This function is called extremely often. It is tempting to do nothing
// here to avoid reduced frame-rates but then it would not be possible to
// interrupt Vim by presssing Ctrl-C during lengthy operations (e.g. after
// entering "10gs" it would not be possible to bring Vim out of the 10 s
// sleep prematurely). Furthermore, Vim sometimes goes into a loop waiting
// for keyboard input (e.g. during a "more prompt") where not checking for
// input could cause Vim to lock up indefinitely.
//
// As a compromise we check for new input only every now and then. Note
// that Cmd-. sends SIGINT so it has higher success rate at interrupting
// Vim than Ctrl-C.
static CFAbsoluteTime lastTime = 0;
CFAbsoluteTime nowTime = CFAbsoluteTimeGetCurrent();
if (nowTime - lastTime > 0.2) {
[[MMBackend sharedInstance] update];
lastTime = nowTime;
}
}
/* Flush any output to the screen */
void
gui_mch_flush(void)
{
// This function is called way too often to be useful as a hint for
// flushing. If we were to flush every time it was called the screen would
// flicker.
}
void
gui_macvim_flush(void)
{
// This function counts how many times it is called and only flushes the
// draw queue if called sufficiently often. The first few times it is
// called it will flush often, but the more it is called the less likely is
// it that anything will be flushed. (The counter resets itself if the
// function isn't called for a second.)
//
// NOTE: Should only be used in loops where it is impossible to know how
// often Vim needs to flush. It was written to handle output from external
// commands (see mch_call_shell() in os_unix.c).
static CFAbsoluteTime lastTime = 0;
static int delay = 1;
static int counter = 0;
static int scrolls = 0;
CFAbsoluteTime nowTime = CFAbsoluteTimeGetCurrent();
CFAbsoluteTime delta = nowTime - lastTime;
if (delta > 1.0)
delay = 1;
// We assume that each call corresponds roughly to one line of output.
// When one page has scrolled by we increase the delay before the next
// flush.
if (++scrolls > gui.num_rows) {
delay <<= 1;
if (delay > 2048)
delay = 2048;
scrolls = 0;
}
if (++counter > delay) {
gui_macvim_force_flush();
counter = 0;
}
lastTime = nowTime;
}
/* Force flush output to MacVim. Do not call this method unless absolutely
* necessary. */
void
gui_macvim_force_flush(void)
{
[[MMBackend sharedInstance] flushQueue:YES];
}
/*
* GUI input routine called by gui_wait_for_chars(). Waits for a character
* from the keyboard.
* wtime == -1 Wait forever.
* wtime == 0 This should never happen.
* wtime > 0 Wait wtime milliseconds for a character.
* Returns OK if a character was found to be available within the given time,
* or FAIL otherwise.
*/
int
gui_mch_wait_for_chars(int wtime)
{
// NOTE! In all likelihood Vim will take a nap when waitForInput: is
// called, so force a flush of the command queue here.
[[MMBackend sharedInstance] flushQueue:YES];
#if defined(FEAT_NETBEANS_INTG)
/* Process any queued netbeans messages. */
netbeans_parse_messages();
#endif
return [[MMBackend sharedInstance] waitForInput:wtime];
}
// -- Drawing ---------------------------------------------------------------
/*
* Clear the whole text window.
*/
void
gui_mch_clear_all(void)
{
[[MMBackend sharedInstance] clearAll];
}
/*
* Clear a rectangular region of the screen from text pos (row1, col1) to
* (row2, col2) inclusive.
*/
void
gui_mch_clear_block(int row1, int col1, int row2, int col2)
{
[[MMBackend sharedInstance] clearBlockFromRow:row1 column:col1
toRow:row2 column:col2];
}
/*
* Delete the given number of lines from the given row, scrolling up any
* text further down within the scroll region.
*/
void
gui_mch_delete_lines(int row, int num_lines)
{
[[MMBackend sharedInstance] deleteLinesFromRow:row count:num_lines
scrollBottom:gui.scroll_region_bot
left:gui.scroll_region_left
right:gui.scroll_region_right];
}
void
gui_mch_draw_string(int row, int col, char_u *s, int len, int cells, int flags)
{
#ifdef FEAT_MBYTE
char_u *conv_str = NULL;
if (output_conv.vc_type != CONV_NONE) {
conv_str = string_convert(&output_conv, s, &len);
if (conv_str)
s = conv_str;
}
#endif
[[MMBackend sharedInstance] drawString:s
length:len
row:row
column:col
cells:cells
flags:flags];
#ifdef FEAT_MBYTE
if (conv_str)
vim_free(conv_str);
#endif
}
int
gui_macvim_draw_string(int row, int col, char_u *s, int len, int flags)
{
int c, cn, cl, i;
int start = 0;
int endcol = col;
int startcol = col;
BOOL wide = NO;
MMBackend *backend = [MMBackend sharedInstance];
#ifdef FEAT_MBYTE
char_u *conv_str = NULL;
if (output_conv.vc_type != CONV_NONE) {
conv_str = string_convert(&output_conv, s, &len);
if (conv_str)
s = conv_str;
}
#endif
// Loop over each character and output text when it changes from normal to
// wide and vice versa.
for (i = 0; i < len; i += cl) {
c = utf_ptr2char(s + i);
cn = utf_char2cells(c);
cl = utf_ptr2len(s + i);
if (0 == cl)
len = i; // len must be wrong (shouldn't happen)
if (!utf_iscomposing(c)) {
if ((cn > 1 && !wide) || (cn <= 1 && wide)) {
// Changed from normal to wide or vice versa.
[backend drawString:(s+start) length:i-start
row:row column:startcol
cells:endcol-startcol
flags:(wide ? flags|DRAW_WIDE : flags)];
start = i;
startcol = endcol;
}
wide = cn > 1;
endcol += cn;
}
}
// Output remaining characters.
[backend drawString:(s+start) length:len-start
row:row column:startcol cells:endcol-startcol
flags:(wide ? flags|DRAW_WIDE : flags)];
#ifdef FEAT_MBYTE
if (conv_str)
vim_free(conv_str);
#endif
return endcol - col;
}
/*
* Insert the given number of lines before the given row, scrolling down any
* following text within the scroll region.
*/
void
gui_mch_insert_lines(int row, int num_lines)
{
[[MMBackend sharedInstance] insertLinesFromRow:row count:num_lines
scrollBottom:gui.scroll_region_bot
left:gui.scroll_region_left
right:gui.scroll_region_right];
}
/*
* Set the current text foreground color.
*/
void
gui_mch_set_fg_color(guicolor_T color)
{
[[MMBackend sharedInstance] setForegroundColor:color];
}
/*
* Set the current text background color.
*/
void
gui_mch_set_bg_color(guicolor_T color)
{
[[MMBackend sharedInstance] setBackgroundColor:color];
}
/*
* Set the current text special color (used for underlines).
*/
void
gui_mch_set_sp_color(guicolor_T color)
{
[[MMBackend sharedInstance] setSpecialColor:color];
}
/*
* Set default colors.
*/
void
gui_mch_def_colors()
{
MMBackend *backend = [MMBackend sharedInstance];
// The default colors are taken from system values
gui.def_norm_pixel = gui.norm_pixel =
[backend lookupColorWithKey:@"MacTextColor"];
gui.def_back_pixel = gui.back_pixel =
[backend lookupColorWithKey:@"MacTextBackgroundColor"];
}
/*
* Called when the foreground or background color has been changed.
*/
void
gui_mch_new_colors(void)
{
gui.def_back_pixel = gui.back_pixel;
gui.def_norm_pixel = gui.norm_pixel;
ASLogDebug(@"back=%ld norm=%ld", gui.def_back_pixel, gui.def_norm_pixel);
[[MMBackend sharedInstance]
setDefaultColorsBackground:gui.def_back_pixel
foreground:gui.def_norm_pixel];
}
/*
* Invert a rectangle from row r, column c, for nr rows and nc columns.
*/
void
gui_mch_invert_rectangle(int r, int c, int nr, int nc, int invert)
{
[[MMBackend sharedInstance] drawInvertedRectAtRow:r column:c numRows:nr
numColumns:nc invert:invert];
}
// -- Tabline ---------------------------------------------------------------
/*
* Set the current tab to "nr". First tab is 1.
*/
void
gui_mch_set_curtab(int nr)
{
[[MMBackend sharedInstance] selectTab:nr];
}
/*
* Return TRUE when tabline is displayed.
*/
int
gui_mch_showing_tabline(void)
{
return [[MMBackend sharedInstance] tabBarVisible];
}
/*
* Update the labels of the tabline.
*/
void
gui_mch_update_tabline(void)
{
[[MMBackend sharedInstance] updateTabBar];
}
/*
* Show or hide the tabline.
*/
void
gui_mch_show_tabline(int showit)
{
[[MMBackend sharedInstance] showTabBar:showit];
}
// -- Menu ------------------------------------------------------------------
/*
* A menu descriptor represents the "address" of a menu as an array of strings.
* E.g. the menu "File->Close" has descriptor { "File", "Close" }.
*/
NSArray *
descriptor_for_menu(vimmenu_T *menu)
{
if (!menu) return nil;
NSMutableArray *desc = [NSMutableArray array];
while (menu) {
NSString *name = [NSString stringWithVimString:menu->dname];
[desc insertObject:name atIndex:0];
menu = menu->parent;
}
return desc;
}
vimmenu_T *
menu_for_descriptor(NSArray *desc)
{
if (!(desc && [desc count] > 0)) return NULL;
vimmenu_T *menu = root_menu;
int i, count = [desc count];
for (i = 0; i < count; ++i) {
NSString *component = [desc objectAtIndex:i];
while (menu) {
NSString *name = [NSString stringWithVimString:menu->dname];
if ([component isEqual:name]) {
if (i+1 == count)
return menu; // Matched all components, so return menu
menu = menu->children;
break;
}
menu = menu->next;
}
}
return NULL;
}
/*
* Add a submenu to the menu bar, toolbar, or a popup menu.
*/
void
gui_mch_add_menu(vimmenu_T *menu, int idx)
{
NSArray *desc = descriptor_for_menu(menu);
[[MMBackend sharedInstance] queueMessage:AddMenuMsgID properties:
[NSDictionary dictionaryWithObjectsAndKeys:
desc, @"descriptor",
[NSNumber numberWithInt:idx], @"index",
nil]];
}
// Taken from gui_gtk.c (slightly modified)
static int
lookup_menu_iconfile(char_u *iconfile, char_u *dest)
{
expand_env(iconfile, dest, MAXPATHL);
if (mch_isFullName(dest))
return vim_fexists(dest);
static const char suffixes[][4] = {"png", "bmp"};
char_u buf[MAXPATHL];
unsigned int i;
for (i = 0; i < sizeof(suffixes)/sizeof(suffixes[0]); ++i)
if (gui_find_bitmap(dest, buf, (char *)suffixes[i]) == OK) {
STRCPY(dest, buf);
return TRUE;
}
return FALSE;
}
/*
* Add a menu item to a menu
*/
void
gui_mch_add_menu_item(vimmenu_T *menu, int idx)
{
char_u *tip = menu->strings[MENU_INDEX_TIP]
? menu->strings[MENU_INDEX_TIP] : menu->actext;
NSArray *desc = descriptor_for_menu(menu);
NSString *keyEquivalent = menu->mac_key
? [NSString stringWithFormat:@"%C",
(unsigned short)specialKeyToNSKey(menu->mac_key)]
: [NSString string];
int modifierMask = vimModMaskToEventModifierFlags(menu->mac_mods);
char_u *icon = NULL;
if (menu_is_toolbar(menu->parent->name)) {
char_u fname[MAXPATHL];
// Try to use the icon=.. argument
if (menu->iconfile && lookup_menu_iconfile(menu->iconfile, fname))
icon = fname;
// If not found and not builtin specified try using the menu name
if (!icon && !menu->icon_builtin
&& lookup_menu_iconfile(menu->name, fname))
icon = fname;
// Still no icon found, try using a builtin icon. (If this also fails,
// then a warning icon will be displayed).
if (!icon)
icon = lookup_toolbar_item(menu->iconidx);
}
[[MMBackend sharedInstance] queueMessage:AddMenuItemMsgID properties:
[NSDictionary dictionaryWithObjectsAndKeys:
desc, @"descriptor",
[NSNumber numberWithInt:idx], @"index",
[NSString stringWithVimString:tip], @"tip",
[NSString stringWithVimString:icon], @"icon",
keyEquivalent, @"keyEquivalent",
[NSNumber numberWithInt:modifierMask], @"modifierMask",
[NSString stringWithVimString:menu->mac_action], @"action",
[NSNumber numberWithBool:menu->mac_alternate], @"isAlternate",
nil]];
}
/*
* Destroy the machine specific menu widget.
*/
void
gui_mch_destroy_menu(vimmenu_T *menu)
{
NSArray *desc = descriptor_for_menu(menu);
[[MMBackend sharedInstance] queueMessage:RemoveMenuItemMsgID properties:
[NSDictionary dictionaryWithObject:desc forKey:@"descriptor"]];
}
/*
* Make a menu either grey or not grey.
*/
void
gui_mch_menu_grey(vimmenu_T *menu, int grey)
{
/* Only update menu if the 'grey' state has changed to avoid having to pass
* lots of unnecessary data to MacVim. (Skipping this test makes MacVim
* pause noticably on mode changes. */
NSArray *desc = descriptor_for_menu(menu);
if (menu->was_grey == grey)
return;
menu->was_grey = grey;
[[MMBackend sharedInstance] queueMessage:EnableMenuItemMsgID properties:
[NSDictionary dictionaryWithObjectsAndKeys:
desc, @"descriptor",
[NSNumber numberWithInt:!grey], @"enable",
nil]];
}
/*
* Make menu item hidden or not hidden
*/
void
gui_mch_menu_hidden(vimmenu_T *menu, int hidden)
{
// HACK! There is no (obvious) way to hide a menu item, so simply
// enable/disable it instead.
gui_mch_menu_grey(menu, hidden);
}
/*
* This is called when user right clicks.
*/
void
gui_mch_show_popupmenu(vimmenu_T *menu)
{
NSArray *desc = descriptor_for_menu(menu);
[[MMBackend sharedInstance] queueMessage:ShowPopupMenuMsgID properties:
[NSDictionary dictionaryWithObject:desc forKey:@"descriptor"]];
}
/*
* This is called when a :popup command is executed.
*/
void
gui_make_popup(char_u *path_name, int mouse_pos)
{
vimmenu_T *menu = gui_find_menu(path_name);
if (!(menu && menu->children)) return;
NSArray *desc = descriptor_for_menu(menu);
NSDictionary *p = (mouse_pos || NULL == curwin)
? [NSDictionary dictionaryWithObject:desc forKey:@"descriptor"]
: [NSDictionary dictionaryWithObjectsAndKeys:
desc, @"descriptor",
[NSNumber numberWithInt:curwin->w_wrow], @"row",
[NSNumber numberWithInt:curwin->w_wcol], @"column",
nil];
[[MMBackend sharedInstance] queueMessage:ShowPopupMenuMsgID properties:p];
}
/*
* This is called after setting all the menus to grey/hidden or not.
*/
void
gui_mch_draw_menubar(void)
{
// The (main) menu draws itself in Mac OS X.
}
void
gui_mch_enable_menu(int flag)
{
// The (main) menu is always enabled in Mac OS X.
}
#if 0
void
gui_mch_set_menu_pos(int x, int y, int w, int h)
{
// The (main) menu cannot be moved in Mac OS X.
}
#endif
void
gui_mch_show_toolbar(int showit)
{
int flags = 0;
if (toolbar_flags & TOOLBAR_TEXT) flags |= ToolbarLabelFlag;
if (toolbar_flags & TOOLBAR_ICONS) flags |= ToolbarIconFlag;
if (tbis_flags & (TBIS_MEDIUM|TBIS_LARGE)) flags |= ToolbarSizeRegularFlag;
[[MMBackend sharedInstance] showToolbar:showit flags:flags];
}
// -- Fonts -----------------------------------------------------------------
/*
* If a font is not going to be used, free its structure.
*/
void
gui_mch_free_font(font)
GuiFont font;
{
if (font != NOFONT) {
ASLogDebug(@"font=%p", font);
[(id)font release];
}
}
GuiFont
gui_mch_retain_font(GuiFont font)
{
return (GuiFont)[(id)font retain];
}
/*
* Get a font structure for highlighting.
*/
GuiFont
gui_mch_get_font(char_u *name, int giveErrorIfMissing)
{
ASLogDebug(@"name='%s' giveErrorIfMissing=%d", name, giveErrorIfMissing);
GuiFont font = gui_macvim_font_with_name(name);
if (font != NOFONT)
return font;
if (giveErrorIfMissing)
EMSG2(_(e_font), name);
return NOFONT;
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Return the name of font "font" in allocated memory.
* TODO: use 'font' instead of 'name'?
*/
char_u *
gui_mch_get_fontname(GuiFont font, char_u *name)
{
return name ? vim_strsave(name) : NULL;
}
#endif
/*
* Initialise vim to use the font with the given name. Return FAIL if the font
* could not be loaded, OK otherwise.
*/
int
gui_mch_init_font(char_u *font_name, int fontset)
{
ASLogDebug(@"font_name='%s' fontset=%d", font_name, fontset);
if (font_name && STRCMP(font_name, "*") == 0) {
// :set gfn=* shows the font panel.
do_cmdline_cmd((char_u*)":macaction orderFrontFontPanel:");
return FAIL;
}
GuiFont font = gui_macvim_font_with_name(font_name);
if (font == NOFONT)
return FAIL;
gui_mch_free_font(gui.norm_font);
gui.norm_font = font;
// NOTE: MacVim keeps separate track of the normal and wide fonts.
// Unless the user changes 'guifontwide' manually, they are based on
// the same (normal) font. Also note that each time the normal font is
// set, the advancement may change so the wide font needs to be updated
// as well (so that it is always twice the width of the normal font).
[[MMBackend sharedInstance] setFont:font wide:NO];
[[MMBackend sharedInstance] setFont:(NOFONT != gui.wide_font ? gui.wide_font
: font)
wide:YES];
return OK;
}