path: root/src/gui.h

/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved		by Bram Moolenaar
 *				Motif support by Robert Webb
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

#ifdef FEAT_GUI_MOTIF
# include <Xm/Xm.h>
#endif

#ifdef FEAT_GUI_ATHENA
# include <X11/Intrinsic.h>
# include <X11/StringDefs.h>
#endif

#ifdef FEAT_GUI_GTK
# ifdef VMS // undef MIN and MAX because Intrinsic.h redefines them anyway
#  ifdef MAX
#   undef MAX
#  endif
#  ifdef MIN
#   undef MIN
#  endif
#  include "gui_gtk_vms.h"
# endif // VMS
# include <X11/Intrinsic.h>
# include <gtk/gtk.h>
#endif

#ifdef FEAT_GUI_HAIKU
# include "gui_haiku.h"
#endif

// Needed when generating prototypes, since FEAT_GUI is always defined then.
#if defined(FEAT_XCLIPBOARD) && !defined(FEAT_GUI_MOTIF) \
	&& !defined(FEAT_GUI_ATHENA) && !defined(FEAT_GUI_GTK)
# include <X11/Intrinsic.h>
#endif

#ifdef FEAT_GUI_PHOTON
# include <Ph.h>
# include <Pt.h>
# include "photon/PxProto.h"
#endif

/*
 * On some systems scrolling needs to be done right away instead of in the
 * main loop.
 */
#if defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)
# define USE_ON_FLY_SCROLL
#endif

/*
 * GUIs that support dropping files on a running Vim.
 */
#if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \
	|| defined(FEAT_GUI_MSWIN) \
	|| defined(FEAT_GUI_HAIKU)
# define HAVE_DROP_FILE
#endif

/*
 * This define makes menus always use a fontset.
 * We're not sure if this code always works, thus it can be disabled.
 */
#ifdef FEAT_XFONTSET
# define FONTSET_ALWAYS
#endif

/*
 * These macros convert between character row/column and pixel coordinates.
 * TEXT_X   - Convert character column into X pixel coord for drawing strings.
 * TEXT_Y   - Convert character row into Y pixel coord for drawing strings.
 * FILL_X   - Convert character column into X pixel coord for filling the area
 *		under the character.
 * FILL_Y   - Convert character row into Y pixel coord for filling the area
 *		under the character.
 * X_2_COL  - Convert X pixel coord into character column.
 * Y_2_ROW  - Convert Y pixel coord into character row.
 */
#ifdef FEAT_GUI_MSWIN
# define TEXT_X(col)	((col) * gui.char_width)
# define TEXT_Y(row)	((row) * gui.char_height + gui.char_ascent)
# define FILL_X(col)	((col) * gui.char_width)
# define FILL_Y(row)	((row) * gui.char_height)
# define X_2_COL(x)	((x) / gui.char_width)
# define Y_2_ROW(y)	((y) / gui.char_height)
#else
# define TEXT_X(col)	((col) * gui.char_width  + gui.border_offset)
# define FILL_X(col)	((col) * gui.char_width  + gui.border_offset)
# define X_2_COL(x)	(((x) - gui.border_offset) / gui.char_width)
# define TEXT_Y(row)	((row) * gui.char_height + gui.char_ascent \
							+ gui.border_offset)
# define FILL_Y(row)	((row) * gui.char_height + gui.border_offset)
# define Y_2_ROW(y)	(((y) - gui.border_offset) / gui.char_height)
#endif

// Indices for arrays of scrollbars
#define SBAR_NONE	    -1
#define SBAR_LEFT	    0
#define SBAR_RIGHT	    1
#define SBAR_BOTTOM	    2

// Orientations for scrollbars
#define SBAR_VERT	    0
#define SBAR_HORIZ	    1

// Default size of scrollbar
#define SB_DEFAULT_WIDTH    16

// Default height of the menu bar
#define MENU_DEFAULT_HEIGHT 1		// figure it out at runtime

// Flags for gui_mch_outstr_nowrap()
#define GUI_MON_WRAP_CURSOR	0x01	// wrap cursor at end of line
#define GUI_MON_INVERT		0x02	// invert the characters
#define GUI_MON_IS_CURSOR	0x04	// drawing cursor
#define GUI_MON_TRS_CURSOR	0x08	// drawing transparent cursor
#define GUI_MON_NOCLEAR		0x10	// don't clear selection

// Flags for gui_mch_draw_string()
#define DRAW_TRANSP		0x01	// draw with transparent bg
#define DRAW_BOLD		0x02	// draw bold text
#define DRAW_UNDERL		0x04	// draw underline text
#define DRAW_UNDERC		0x08	// draw undercurl text
#if defined(FEAT_GUI_GTK)
# define DRAW_ITALIC		0x10	// draw italic text
#endif
#define DRAW_CURSOR		0x20	// drawing block cursor (win32)
#define DRAW_STRIKE		0x40	// strikethrough

// For our own tearoff menu item
#define TEAR_STRING		"-->Detach"
#define TEAR_LEN		(9)	// length of above string

// for the toolbar
#define TOOLBAR_BUTTON_HEIGHT	18
#define TOOLBAR_BUTTON_WIDTH	18
#define TOOLBAR_BORDER_HEIGHT	12  // room above+below buttons for MSWindows

#ifdef FEAT_GUI_MSWIN
# define TABLINE_HEIGHT 22
#endif
#ifdef FEAT_GUI_MOTIF
# define TABLINE_HEIGHT 30
#endif

#if defined(NO_CONSOLE) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
# define NO_CONSOLE_INPUT	// use no_console_input() to check if there
				// is no console input possible
#endif

typedef struct GuiScrollbar
{
    long	ident;		// Unique identifier for each scrollbar
    win_T	*wp;		// Scrollbar's window, NULL for bottom
    int		type;		// one of SBAR_{LEFT,RIGHT,BOTTOM}
    long	value;		// Represents top line number visible
#ifdef FEAT_GUI_ATHENA
    int		pixval;		// pixel count of value
#endif
    long	size;		// Size of scrollbar thumb
    long	max;		// Number of lines in buffer

    // Values measured in characters:
    int		top;		// Top of scroll bar (chars from row 0)
    int		height;		// Current height of scroll bar in rows
    int		width;		// Current width of scroll bar in cols
    int		status_height;	// Height of status line
#ifdef FEAT_GUI_X11
    Widget	id;		// Id of real scroll bar
#endif
#ifdef FEAT_GUI_GTK
    GtkWidget *id;		// Id of real scroll bar
    unsigned long handler_id;   // Id of "value_changed" signal handler
#endif

#ifdef FEAT_GUI_MSWIN
    HWND	id;		// Id of real scroll bar
    int		scroll_shift;	// The scrollbar stuff can handle only up to
				// 32767 lines.  When the file is longer,
				// scroll_shift is set to the number of shifts
				// to reduce the count.
#endif

#if FEAT_GUI_HAIKU
    VimScrollBar *id;		// Pointer to real scroll bar
#endif
#ifdef FEAT_GUI_PHOTON
    PtWidget_t	*id;
#endif
} scrollbar_T;

typedef long	    guicolor_T;	// handle for a GUI color; for X11 this should
				// be "Pixel", but that's an unsigned and we
				// need a signed value
#define INVALCOLOR (guicolor_T)-11111	// number for invalid color; on 32 bit
				   // displays there is a tiny chance this is an
				   // actual color
#define CTERMCOLOR (guicolor_T)-11110	// only used for cterm.bg_rgb and
					// cterm.fg_rgb: use cterm color

#ifdef FEAT_GUI_GTK
  typedef PangoFontDescription	*GuiFont;       // handle for a GUI font
  typedef PangoFontDescription  *GuiFontset;    // handle for a GUI fontset
# define NOFONT		(GuiFont)NULL
# define NOFONTSET	(GuiFontset)NULL
#else
# ifdef FEAT_GUI_PHOTON
  typedef char		*GuiFont;
  typedef char		*GuiFontset;
#  define NOFONT	(GuiFont)NULL
#  define NOFONTSET	(GuiFontset)NULL
# else
#  ifdef FEAT_GUI_X11
  typedef XFontStruct	*GuiFont;	// handle for a GUI font
  typedef XFontSet	GuiFontset;	// handle for a GUI fontset
#   define NOFONT	(GuiFont)0
#   define NOFONTSET	(GuiFontset)0
#  else
  typedef long_u	GuiFont;	// handle for a GUI font
  typedef long_u	GuiFontset;	// handle for a GUI fontset
#   define NOFONT	(GuiFont)0
#   define NOFONTSET	(GuiFontset)0
#  endif
# endif
#endif

#ifdef VIMDLL
// Use spawn when GUI is starting.
# define GUI_MAY_SPAWN

// Uncomment the next definition if you want to use the `:gui` command on
// Windows.  It uses `:mksession` to inherit the session from vim.exe to
// gvim.exe.  So, it doesn't work perfectly. (EXPERIMENTAL)
//# define EXPERIMENTAL_GUI_CMD
#endif

typedef struct Gui
{
    int		in_focus;	    // Vim has input focus
    int		in_use;		    // Is the GUI being used?
    int		starting;	    // GUI will start in a little while
    int		shell_created;	    // Has the shell been created yet?
    int		dying;		    // Is vim dying? Then output to terminal
    int		dofork;		    // Use fork() when GUI is starting
#ifdef GUI_MAY_SPAWN
    int		dospawn;	    // Use spawn() when GUI is starting
#endif
    int		dragged_sb;	    // Which scrollbar being dragged, if any?
    win_T	*dragged_wp;	    // Which WIN's sb being dragged, if any?
    int		pointer_hidden;	    // Is the mouse pointer hidden?
    int		col;		    // Current cursor column in GUI display
    int		row;		    // Current cursor row in GUI display
    int		cursor_col;	    // Physical cursor column in GUI display
    int		cursor_row;	    // Physical cursor row in GUI display
    char	cursor_is_valid;    // There is a cursor at cursor_row/col
    int		num_cols;	    // Number of columns
    int		num_rows;	    // Number of rows
    int		scroll_region_top;  // Top (first) line of scroll region
    int		scroll_region_bot;  // Bottom (last) line of scroll region
    int		scroll_region_left;  // Left (first) column of scroll region
    int		scroll_region_right;  // Right (last) col. of scroll region
    int		highlight_mask;	    // Highlight attribute mask
    int		scrollbar_width;    // Width of vertical scrollbars
    int		scrollbar_height;   // Height of horizontal scrollbar
    int		left_sbar_x;	    // Calculated x coord for left scrollbar
    int		right_sbar_x;	    // Calculated x coord for right scrollbar

#ifdef FEAT_MENU
# ifndef FEAT_GUI_GTK
    int		menu_height;	    // Height of the menu bar
    int		menu_width;	    // Width of the menu bar
# endif
    char	menu_is_active;	    // TRUE if menu is present
# ifdef FEAT_GUI_ATHENA
    char	menu_height_fixed;  // TRUE if menu height fixed
# endif
#endif

    scrollbar_T bottom_sbar;	    // Bottom scrollbar
    int		which_scrollbars[3];// Which scrollbar boxes are active?
    int		prev_wrap;	    // For updating the horizontal scrollbar
    int		char_width;	    // Width of char cell in pixels
    int		char_height;	    // Height of char cell in pixels, includes
				    // 'linespace'
    int		char_ascent;	    // Ascent of char in pixels
    int		border_width;	    // Width of our border around text area
    int		border_offset;	    // Total pixel offset for all borders

    GuiFont	norm_font;	    // Normal font
#ifndef FEAT_GUI_GTK
    GuiFont	bold_font;	    // Bold font
    GuiFont	ital_font;	    // Italic font
    GuiFont	boldital_font;	    // Bold-Italic font
#else
    int		font_can_bold;	    // Whether norm_font supports bold weight.
				    // The styled font variants are not used.
#endif

#if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK)
# ifdef FONTSET_ALWAYS
    GuiFontset	menu_fontset;	    // set of fonts for multi-byte chars
# else
    GuiFont	menu_font;	    // menu item font
# endif
#endif
    GuiFont	wide_font;	    // Normal 'guifontwide' font
#ifndef FEAT_GUI_GTK
    GuiFont	wide_bold_font;	    // Bold 'guifontwide' font
    GuiFont	wide_ital_font;	    // Italic 'guifontwide' font
    GuiFont	wide_boldital_font; // Bold-Italic 'guifontwide' font
#endif
#ifdef FEAT_XFONTSET
    GuiFontset	fontset;	    // set of fonts for multi-byte chars
#endif
    guicolor_T	back_pixel;	    // Color of background
    guicolor_T	norm_pixel;	    // Color of normal text
    guicolor_T	def_back_pixel;	    // default Color of background
    guicolor_T	def_norm_pixel;	    // default Color of normal text

#ifdef FEAT_GUI_X11
    char	*rsrc_menu_fg_name;	// Color of menu & dialog foreground
    guicolor_T	menu_fg_pixel;		// Same in Pixel format
    char	*rsrc_menu_bg_name;	// Color of menu & dialog background
    guicolor_T	menu_bg_pixel;		// Same in Pixel format
    char	*rsrc_scroll_fg_name;	// Color of scrollbar foreground
    guicolor_T	scroll_fg_pixel;	// Same in Pixel format
    char	*rsrc_scroll_bg_name;	// Color of scrollbar background
    guicolor_T	scroll_bg_pixel;	// Same in Pixel format

# ifdef FEAT_GUI_MOTIF
    guicolor_T	menu_def_fg_pixel;  // Default menu foreground
    guicolor_T	menu_def_bg_pixel;  // Default menu background
    guicolor_T	scroll_def_fg_pixel;  // Default scrollbar foreground
    guicolor_T	scroll_def_bg_pixel;  // Default scrollbar background
# endif
    Display	*dpy;		    // X display
    Window	wid;		    // Window id of text area
    int		visibility;	    // Is shell partially/fully obscured?
    GC		text_gc;
    GC		back_gc;
    GC		invert_gc;
    Cursor	blank_pointer;	    // Blank pointer

    // X Resources
    char_u	*rsrc_font_name;    // Resource font name, used if 'guifont'
				    // not set
    char_u	*rsrc_bold_font_name; // Resource bold font name
    char_u	*rsrc_ital_font_name; // Resource italic font name
    char_u	*rsrc_boldital_font_name;  // Resource bold-italic font name
    char_u	*rsrc_menu_font_name;    // Resource menu Font name
    Bool	rsrc_rev_video;	    // Use reverse video?

    char_u	*geom;		    // Geometry, eg "80x24"
    Bool	color_approx;	    /