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Diffstat (limited to 'src/haiku_support.h')
| -rw-r--r-- | src/haiku_support.h | 869 |
1 files changed, 869 insertions, 0 deletions
diff --git a/src/haiku_support.h b/src/haiku_support.h new file mode 100644 index 00000000000..9f5f3c77e3d --- /dev/null +++ b/src/haiku_support.h @@ -0,0 +1,869 @@ +/* Haiku window system support. Hey Emacs, this is -*- C++ -*- + Copyright (C) 2021 Free Software Foundation, Inc. + +This file is part of GNU Emacs. + +GNU Emacs is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or (at +your option) any later version. + +GNU Emacs is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */ + +#ifndef _HAIKU_SUPPORT_H +#define _HAIKU_SUPPORT_H + +#include <stdint.h> + +#ifdef HAVE_FREETYPE +#include <ft2build.h> +#include <fontconfig/fontconfig.h> +#include FT_FREETYPE_H +#include FT_SIZES_H +#endif + +#ifdef USE_BE_CAIRO +#include <cairo.h> +#endif + +enum haiku_cursor + { + CURSOR_ID_NO_CURSOR = 12, + CURSOR_ID_RESIZE_NORTH = 15, + CURSOR_ID_RESIZE_EAST = 16, + CURSOR_ID_RESIZE_SOUTH = 17, + CURSOR_ID_RESIZE_WEST = 18, + CURSOR_ID_RESIZE_NORTH_EAST = 19, + CURSOR_ID_RESIZE_NORTH_WEST = 20, + CURSOR_ID_RESIZE_SOUTH_EAST = 21, + CURSOR_ID_RESIZE_SOUTH_WEST = 22, + CURSOR_ID_RESIZE_NORTH_SOUTH = 23, + CURSOR_ID_RESIZE_EAST_WEST = 24, + CURSOR_ID_RESIZE_NORTH_EAST_SOUTH_WEST = 25, + CURSOR_ID_RESIZE_NORTH_WEST_SOUTH_EAST = 26 + }; + +enum haiku_alert_type + { + HAIKU_EMPTY_ALERT = 0, + HAIKU_INFO_ALERT, + HAIKU_IDEA_ALERT, + HAIKU_WARNING_ALERT, + HAIKU_STOP_ALERT + }; + +enum haiku_event_type + { + QUIT_REQUESTED, + FRAME_RESIZED, + FRAME_EXPOSED, + KEY_DOWN, + KEY_UP, + ACTIVATION, + MOUSE_MOTION, + BUTTON_DOWN, + BUTTON_UP, + ICONIFICATION, + MOVE_EVENT, + SCROLL_BAR_VALUE_EVENT, + SCROLL_BAR_DRAG_EVENT, + WHEEL_MOVE_EVENT, + MENU_BAR_RESIZE, + MENU_BAR_OPEN, + MENU_BAR_SELECT_EVENT, + MENU_BAR_CLOSE, + FILE_PANEL_EVENT, + MENU_BAR_HELP_EVENT, + ZOOM_EVENT, + REFS_EVENT, + APP_QUIT_REQUESTED_EVENT + }; + +struct haiku_quit_requested_event +{ + void *window; +}; + +struct haiku_resize_event +{ + void *window; + float px_heightf; + float px_widthf; +}; + +struct haiku_expose_event +{ + void *window; + int x; + int y; + int width; + int height; +}; + +struct haiku_refs_event +{ + void *window; + int x, y; + /* Free this with free! */ + char *ref; +}; + +struct haiku_app_quit_requested_event +{ + char dummy; +}; + +#define HAIKU_MODIFIER_ALT (1) +#define HAIKU_MODIFIER_CTRL (1 << 1) +#define HAIKU_MODIFIER_SHIFT (1 << 2) +#define HAIKU_MODIFIER_SUPER (1 << 3) + +struct haiku_key_event +{ + void *window; + int modifiers; + uint32_t mb_char; + uint32_t unraw_mb_char; + short kc; +}; + +struct haiku_activation_event +{ + void *window; + int activated_p; +}; + +struct haiku_mouse_motion_event +{ + void *window; + bool just_exited_p; + int x; + int y; + uint32_t be_code; +}; + +struct haiku_button_event +{ + void *window; + int btn_no; + int modifiers; + int x; + int y; +}; + +struct haiku_iconification_event +{ + void *window; + int iconified_p; +}; + +struct haiku_move_event +{ + void *window; + int x; + int y; +}; + +struct haiku_wheel_move_event +{ + void *window; + int modifiers; + float delta_x; + float delta_y; +}; + +struct haiku_menu_bar_select_event +{ + void *window; + void *ptr; +}; + +struct haiku_file_panel_event +{ + void *ptr; +}; + +struct haiku_menu_bar_help_event +{ + void *window; + int mb_idx; +}; + +struct haiku_zoom_event +{ + void *window; + int x; + int y; + int width; + int height; +}; + +#define FSPEC_FAMILY 1 +#define FSPEC_STYLE (1 << 1) +#define FSPEC_SLANT (1 << 2) +#define FSPEC_WEIGHT (1 << 3) +#define FSPEC_SPACING (1 << 4) +#define FSPEC_WANTED (1 << 5) +#define FSPEC_NEED_ONE_OF (1 << 6) +#define FSPEC_WIDTH (1 << 7) +#define FSPEC_LANGUAGE (1 << 8) + +typedef char haiku_font_family_or_style[64]; + +enum haiku_font_slant + { + NO_SLANT = -1, + SLANT_OBLIQUE, + SLANT_REGULAR, + SLANT_ITALIC + }; + +enum haiku_font_width + { + NO_WIDTH = -1, + ULTRA_CONDENSED, + EXTRA_CONDENSED, + CONDENSED, + SEMI_CONDENSED, + NORMAL_WIDTH, + SEMI_EXPANDED, + EXPANDED, + EXTRA_EXPANDED, + ULTRA_EXPANDED + }; + +enum haiku_font_language + { + LANGUAGE_CN, + LANGUAGE_KO, + LANGUAGE_JP, + MAX_LANGUAGE /* This isn't a language. */ + }; + +struct haiku_font_pattern +{ + int specified; + struct haiku_font_pattern *next; + /* The next two fields are only temporarily used during the font + discovery process! Do not rely on them being correct outside + BFont_find. */ + struct haiku_font_pattern *last; + struct haiku_font_pattern *next_family; + haiku_font_family_or_style family; + haiku_font_family_or_style style; + int weight; + int mono_spacing_p; + int want_chars_len; + int need_one_of_len; + enum haiku_font_slant slant; + enum haiku_font_width width; + enum haiku_font_language language; + uint32_t *wanted_chars; + uint32_t *need_one_of; + + int oblique_seen_p; +}; + +struct haiku_scroll_bar_value_event +{ + void *scroll_bar; + int position; +}; + +struct haiku_scroll_bar_drag_event +{ + void *scroll_bar; + int dragging_p; +}; + +struct haiku_menu_bar_resize_event +{ + void *window; + int width; + int height; +}; + +struct haiku_menu_bar_state_event +{ + void *window; +}; + +#define HAIKU_THIN 0 +#define HAIKU_ULTRALIGHT 20 +#define HAIKU_EXTRALIGHT 40 +#define HAIKU_LIGHT 50 +#define HAIKU_SEMI_LIGHT 75 +#define HAIKU_REGULAR 100 +#define HAIKU_SEMI_BOLD 180 +#define HAIKU_BOLD 200 +#define HAIKU_EXTRA_BOLD 205 +#define HAIKU_ULTRA_BOLD 210 +#define HAIKU_BOOK 400 +#define HAIKU_HEAVY 800 +#define HAIKU_ULTRA_HEAVY 900 +#define HAIKU_BLACK 1000 +#define HAIKU_MEDIUM 2000 + +#ifdef __cplusplus +extern "C" +{ +#endif +#include <pthread.h> +#include <OS.h> + +#ifdef __cplusplus + typedef void *haiku; + + extern void + haiku_put_pixel (haiku bitmap, int x, int y, unsigned long pixel); + + extern unsigned long + haiku_get_pixel (haiku bitmap, int x, int y); +#endif + + extern port_id port_application_to_emacs; + + extern void haiku_io_init (void); + extern void haiku_io_init_in_app_thread (void); + + extern void + haiku_read_size (ssize_t *len); + + extern int + haiku_read (enum haiku_event_type *type, void *buf, ssize_t len); + + extern int + haiku_read_with_timeout (enum haiku_event_type *type, void *buf, ssize_t len, + time_t timeout); + + extern int + haiku_write (enum haiku_event_type type, void *buf); + + extern int + haiku_write_without_signal (enum haiku_event_type type, void *buf); + + extern void + rgb_color_hsl (uint32_t rgb, double *h, double *s, double *l); + + extern void + hsl_color_rgb (double h, double s, double l, uint32_t *rgb); + + extern void * + BBitmap_new (int width, int height, int mono_p); + + extern void * + BBitmap_data (void *bitmap); + + extern int + BBitmap_convert (void *bitmap, void **new_bitmap); + + extern void + BBitmap_free (void *bitmap); + + extern void + BBitmap_dimensions (void *bitmap, int *left, int *top, + int *right, int *bottom, int32_t *bytes_per_row, + int *mono_p); + + extern void * + BApplication_setup (void); + + extern void * + BWindow_new (void *view); + + extern void + BWindow_quit (void *window); + + extern void + BWindow_set_offset (void *window, int x, int y); + + extern void + BWindow_iconify (void *window); + + extern void + BWindow_set_visible (void *window, int visible_p); + + extern void + BFont_close (void *font); + + extern void + BFont_dat (void *font, int *px_size, int *min_width, int *max_width, + int *avg_width, int *height, int *space_width, int *ascent, + int *descent, int *underline_position, int *underline_thickness); + + extern int + BFont_have_char_p (void *font, int32_t chr); + + extern int + BFont_have_char_block (void *font, int32_t beg, int32_t end); + + extern void + BFont_char_bounds (void *font, const char *mb_str, int *advance, + int *lb, int *rb); + + extern void + BFont_nchar_bounds (void *font, const char *mb_str, int *advance, + int *lb, int *rb, int32_t n); + + extern void + BWindow_retitle (void *window, const char *title); + + extern void + BWindow_resize (void *window, int width, int height); + + extern void + BWindow_activate (void *window); + + extern void + BView_StartClip (void *view); + + extern void + BView_EndClip (void *view); + + extern void + BView_SetHighColor (void *view, uint32_t color); + + extern void + BView_SetHighColorForVisibleBell (void *view, uint32_t color); + + extern void + BView_FillRectangleForVisibleBell (void *view, int x, int y, int width, + int height); + + extern void + BView_SetLowColor (void *view, uint32_t color); + + extern void + BView_SetPenSize (void *view, int u); + + extern void + BView_SetFont (void *view, void *font); + + extern void + BView_MovePenTo (void *view, int x, int y); + + extern void + BView_DrawString (void *view, const char *chr, ptrdiff_t len); + + extern void + BView_DrawChar (void *view, char chr); + + extern void + BView_FillRectangle (void *view, int x, int y, int width, int height); + + extern void + BView_FillRectangleAbs (void *view, int x, int y, int x1, int y1); + + extern void + BView_FillTriangle (void *view, int x1, int y1, + int x2, int y2, int x3, int y3); + + extern void + BView_StrokeRectangle (void *view, int x, int y, int width, int height); + + extern void + BView_SetViewColor (void *view, uint32_t color); + + extern void + BView_ClipToRect (void *view, int x, int y, int width, int height); + + extern void + BView_ClipToInverseRect (void *view, int x, int y, int width, int height); + + extern void + BView_StrokeLine (void *view, int sx, int sy, int tx, int ty); + + extern void + BView_CopyBits (void *view, int x, int y, int width, int height, + int tox, int toy, int towidth, int toheight); + + extern void + BView_DrawBitmap (void *view, void *bitmap, int x, int y, + int width, int height, int vx, int vy, int vwidth, + int vheight); + + extern void + BView_DrawBitmapWithEraseOp (void *view, void *bitmap, int x, + int y, int width, int height); + + extern void + BView_DrawMask (void *src, void *view, + int x, int y, int width, int height, + int vx, int vy, int vwidth, int vheight, + uint32_t color); + + extern void * + BBitmap_transform_bitmap (void *bitmap, void *mask, uint32_t m_color, + double rot, int desw, int desh); + + extern void + BScreen_px_dim (int *width, int *height); + + extern void + BView_resize_to (void *view, int width, int height); + + /* Functions for creating and freeing cursors. */ + extern void * + BCursor_create_default (void); + + extern void * + BCursor_from_id (enum haiku_cursor cursor); + + extern void * + BCursor_create_modeline (void); + + extern void * + BCursor_create_i_beam (void); + + extern void * + BCursor_create_progress_cursor (void); + + extern void * + BCursor_create_grab (void); + + extern void + BCursor_delete (void *cursor); + + extern void + BView_set_view_cursor (void *view, void *cursor); + + extern void + BWindow_Flush (void *window); + + extern void + BMapKey (uint32_t kc, int *non_ascii_p, unsigned *code); + + extern void * + BScrollBar_make_for_view (void *view, int horizontal_p, + int x, int y, int x1, int y1, + void *scroll_bar_ptr); + + extern void + BScrollBar_delete (void *sb); + + extern void + BView_move_frame (void *view, int x, int y, int x1, int y1); + + extern void + BView_scroll_bar_update (void *sb, int portion, int whole, int position); + + extern int + BScrollBar_default_size (int horizontal_p); + + extern void + BView_invalidate (void *view); + + extern void + BView_draw_lock (void *view); + + extern void + BView_draw_unlock (void *view); + + extern void + BWindow_center_on_screen (void *window); + + extern void + BView_mouse_moved (void *view, int x, int y, uint32_t transit); + + extern void + BView_mouse_down (void *view, int x, int y); + + extern void + BView_mouse_up (void *view, int x, int y); + + extern void + BBitmap_import_mono_bits (void *bitmap, void *bits, int wd, int h); + + extern void + haiku_font_pattern_free (struct haiku_font_pattern *pt); + + extern struct haiku_font_pattern * + BFont_find (struct haiku_font_pattern *pt); + + extern int + BFont_open_pattern (struct haiku_font_pattern *pat, void **font, float size); + + extern void + BFont_populate_fixed_family (struct haiku_font_pattern *ptn); + + extern void + BFont_populate_plain_family (struct haiku_font_pattern *ptn); + + extern void + BView_publish_scroll_bar (void *view, int x, int y, int width, int height); + + extern void + BView_forget_scroll_bar (void *view, int x, int y, int width, int height); + + extern void + BView_get_mouse (void *view, int *x, int *y); + + extern void + BView_convert_to_screen (void *view, int *x, int *y); + + extern void + BView_convert_from_screen (void *view, int *x, int *y); + + extern void + BWindow_change_decoration (void *window, int decorate_p); + + extern void + BWindow_set_tooltip_decoration (void *window); + + extern void + BWindow_set_avoid_focus (void *window, int avoid_focus_p); + + extern void + BView_emacs_delete (void *view); + + extern uint32_t + haiku_current_workspace (void); + + extern uint32_t + BWindow_workspaces (void *window); + + extern void * + BPopUpMenu_new (const char *name); + + extern void + BMenu_add_item (void *menu, const char *label, void *ptr, bool enabled_p, + bool marked_p, bool mbar_p, void *mbw_ptr, const char *key, + const char *help); + + extern void + BMenu_add_separator (void *menu); + + extern void * + BMenu_new_submenu (void *menu, const char *label, bool enabled_p); + + extern void * + BMenu_new_menu_bar_submenu (void *menu, const char *label); + + extern int + BMenu_count_items (void *menu); + + extern void * + BMenu_item_at (void *menu, int idx); + + extern void * + BMenu_run (void *menu, int x, int y); + + extern void + BPopUpMenu_delete (void *menu); + + extern void * + BMenuBar_new (void *view); + + extern void + BMenu_delete_all (void *menu); + + extern void + BMenuBar_delete (void *menubar); + + extern void + BMenu_item_set_label (void *item, const char *label); + + extern void * + BMenu_item_get_menu (void *item); + + extern void + BMenu_delete_from (void *menu, int start, int count); + + extern void + haiku_ring_bell (void); + + extern void * + BAlert_new (const char *text, enum haiku_alert_type type); + + extern void * + BAlert_add_button (void *alert, const char *text); + + extern int32_t + BAlert_go (void *alert); + + extern void + BButton_set_enabled (void *button, int enabled_p); + + extern void + BView_set_tooltip (void *view, const char *tooltip); + + extern void + BAlert_delete (void *alert); + + extern void + BScreen_res (double *rrsx, double *rrsy); + + extern void + EmacsWindow_parent_to (void *window, void *other_window); + + extern void + EmacsWindow_unparent (void *window); + + extern int + BFont_string_width (void *font, const char *utf8); + + extern void + be_get_version_string (char *version, int len); + + extern int + be_get_display_planes (void); + + extern int + be_get_display_color_cells (void); + + extern void + be_warp_pointer (int x, int y); + + extern void + EmacsWindow_move_weak_child (void *window, void *child, int xoff, int yoff); + + extern void + EmacsView_set_up_double_buffering (void *vw); + + extern void + EmacsView_disable_double_buffering (void *vw); + + extern void + EmacsView_flip_and_blit (void *vw); + + extern int + EmacsView_double_buffered_p (void *vw); + + extern char * + be_popup_file_dialog (int open_p, const char *default_dir, int must_match_p, + int dir_only_p, void *window, const char *save_text, + const char *prompt, + void (*block_input_function) (void), + void (*unblock_input_function) (void)); + + extern void + record_c_unwind_protect_from_cxx (void (*) (void *), void *); + + extern ptrdiff_t + c_specpdl_idx_from_cxx (void); + + extern void + c_unbind_to_nil_from_cxx (ptrdiff_t idx); + + extern void + EmacsView_do_visible_bell (void *view, uint32_t color); + + extern void + BWindow_zoom (void *window); + + extern void + EmacsWindow_make_fullscreen (void *window, int fullscreen_p); + + extern void + EmacsWindow_unzoom (void *window); + +#ifdef HAVE_NATIVE_IMAGE_API + extern int + be_can_translate_type_to_bitmap_p (const char *mime); + + extern void * + be_translate_bitmap_from_file_name (const char *filename); + + extern void * + be_translate_bitmap_from_memory (const void *buf, size_t bytes); +#endif + + extern void + BMenuBar_start_tracking (void *mbar); + + extern size_t + BBitmap_bytes_length (void *bitmap); + + extern void + BView_show_tooltip (void *view); + +#ifdef USE_BE_CAIRO + extern cairo_surface_t * + EmacsView_cairo_surface (void *view); + + extern void + BView_cr_dump_clipping (void *view, cairo_t *ctx); + + extern void + EmacsWindow_begin_cr_critical_section (void *window); + + extern void + EmacsWindow_end_cr_critical_section (void *window); +#endif + + extern void + BView_set_and_show_sticky_tooltip (void *view, const char *tooltip, + int x, int y); + + extern void + BMenu_add_title (void *menu, const char *text); + + extern int + be_plain_font_height (void); + + extern int + be_string_width_with_plain_font (const char *str); + + extern int + be_get_display_screens (void); + + extern void + BWindow_set_min_size (void *window, int width, int height); + + extern void + BWindow_set_size_alignment (void *window, int align_width, int align_height); + +#ifdef __cplusplus + extern void * + find_appropriate_view_for_draw (void *vw); +} + +extern _Noreturn void +gui_abort (const char *msg); +#endif /* _cplusplus */ + +/* Borrowed from X.Org keysymdef.h */ +#define XK_BackSpace 0xff08 /* Back space, back char */ +#define XK_Tab 0xff09 +#define XK_Linefeed 0xff0a /* Linefeed, LF */ +#define XK_Clear 0xff0b +#define XK_Return 0xff0d /* Return, enter */ +#define XK_Pause 0xff13 /* Pause, hold */ +#define XK_Scroll_Lock 0xff14 +#define XK_Sys_Req 0xff15 +#define XK_Escape 0xff1b +#define XK_Delete 0xffff /* Delete, rubout */ +#define XK_Home 0xff50 +#define XK_Left 0xff51 /* Move left, left arrow */ +#define XK_Up 0xff52 /* Move up, up arrow */ +#define XK_Right 0xff53 /* Move right, right arrow */ +#define XK_Down 0xff54 /* Move down, down arrow */ +#define XK_Prior 0xff55 /* Prior, previous */ +#define XK_Page_Up 0xff55 +#define XK_Next 0xff56 /* Next */ +#define XK_Page_Down 0xff56 +#define XK_End 0xff57 /* EOL */ +#define XK_Begin 0xff58 /* BOL */ +#define XK_Select 0xff60 /* Select, mark */ +#define XK_Print 0xff61 +#define XK_Execute 0xff62 /* Execute, run, do */ +#define XK_Insert 0xff63 /* Insert, insert here */ +#define XK_Undo 0xff65 +#define XK_Redo 0xff66 /* Redo, again */ +#define XK_Menu 0xff67 +#define XK_Find 0xff68 /* Find, search */ +#define XK_Cancel 0xff69 /* Cancel, stop, abort, exit */ +#define XK_Help 0xff6a /* Help */ +#define XK_Break 0xff6b +#define XK_Mode_switch 0xff7e /* Character set switch */ +#define XK_script_switch 0xff7e /* Alias for mode_switch */ +#define XK_Num_Lock 0xff7f +#define XK_F1 0xffbe + +#endif /* _HAIKU_SUPPORT_H_ */ |