* src/nsterm.m (ns_create_font_panel_buttons):
([EmacsView noteUserCancelledSelection]): New functions.
([EmacsView showFontPanel]): Use those buttons instead.
* src/haiku_support.cc (MessageReceived): Decode size sent and
handle `UPDATE_PREVIEW_DIALOG' message.
(UpdatePreview): Add current size.
(EmacsFontSelectionDialog): Assign correct modification messages
to the size entry.
* src/haiku_support.cc (class EmacsFontPreviewDialog)
(class DualLayoutView): New classes.
(class EmacsFontSelectionDialog): Add field for preview,
checkbox and layout view.
(MessageReceived): Handle new font preview messages.
(EmacsFontSelectionDialog): New constructor.
(FrameResized): Resize the layout view instead.
* src/haiku_support.cc (class EmacsFontSelectionDialog)
(EmacsFontSelectionDialog): New argument `initial_size'.
(be_select_font): Likewise.
* src/haiku_support.h: Update prototypes.
* src/haikufont.c (Fx_select_font): Set font dialog size to the
pixel size of the current font.
* lisp/tooltip.el (tooltip-show-help): Resort to displaying
messages in the echo area on NS.
* src/nsmenu.m ([EmacsMenu menu:willHighlightItem:]): Call
`show_help_echo' instead of storing an event into the keyboard
buffer.
This fixes several latent bugs where code went down the path
with double buffering enabled when it wasn't, and vice versa.
* src/xfns.c (x_set_inhibit_double_buffering): Improve
commentary and only define when HAVE_XDBE.
(x_mark_frame_dirty): Only set buffer flip flag when HAVE_XDBE.
(initial_set_up_x_back_buffer): Clean up coding style and remove
unnecessary block_input pair.
(Fx_double_buffered_p): Always return nil if !HAVE_XDBE.
(x_frame_parm_handlers): Don't set double buffering handler if
!HAVE_XDBE.
* src/xftfont.c (xftfont_drop_xrender_surfaces, xftfont_driver):
Only define when XDBE is available.
* src/xterm.c (x_drop_xrender_surfaces): Likewise.
(x_clear_window): Don't test double buffering flags when
!HAVE_XDBE.
(show_back_buffer): Only define when HAVE_XDBE.
(x_flip_and_flush): Don't try to flip when !HAVE_XDBE.
(XTframe_up_to_date): Likewise.
(XTbuffer_flipping_unblocked_hook): Only define when Xdbe is
available.
(x_clear_area): Don't test double buffering flags when Xdbe is
not available.
(flush_dirty_back_buffer_on): Don't define if there's no DBE.
(handle_one_xevent, x_create_terminal): Likewise.
* src/xterm.h (FRAME_X_DRAWABLE): Fix coding style.
* lisp/mouse.el (mouse-double-click-time): New function to always
return a number for `double-click-time'.
* lisp/emulation/viper-mous.el (viper-multiclick-timeout):
* lisp/foldout.el (foldout-mouse-swallow-events):
* lisp/help.el (help--read-key-sequence):
* lisp/org/org-mouse.el (org-mouse-show-context-menu): Use
'mouse-double-click-time' instead of 'double-click-time'.
* src/keyboard.c (syms_of_keyboard): Mention
'mouse-double-click-time' in doc string of 'double-click-time'.
* test/lisp/mouse-tests.el (mouse-test-mouse-double-click-time):
New test.
* src/haiku_font_support.cc (font_style_to_flags):
* src/haiku_support.h (enum haiku_font_weight):
* src/haikufont.c (haikufont_weight_to_lisp)
(haikufont_lisp_to_weight): Make `ultralight' and `extralight'
mean the same thing.
* src/haiku_font_support.cc (be_find_font_indices): New
function.
* src/haiku_support.cc (class EmacsFontSelectionDialog)
(UpdateStylesForIndex, EmacsFontSelectionDialog): Allow
specifying an initial font family and style.
(be_select_font): New parameters `initial_family' and
`initial_style'.
* src/haiku_support.h: Update prototypes.
* src/haikufont.c (haikufont_lisp_to_weight)
(haikufont_lisp_to_slant, haikufont_lisp_to_width): Handle
`regular'.
(haikufont_pattern_from_object): New function.
(haikufont_spec_or_entity_to_pattern): Fix coding style.
(Fx_select_font): Compute indices based on currently selected
font.
(syms_of_haikufont): New defsyms.
* src/nsfns.m (Fx_select_font): Update doc string.
* src/nsterm.m (ns_font_desc_to_font_spec): New
function.
([EmacsView showFontPanel]): Return selected font as a
font spec instead.
* lisp/window.el (scroll-other-window, scroll-other-window-down):
Moved from window.c and change implementation so that they respect
command remappings in the target window (bug#20236).
* src/haiku_support.cc (EmacsFontSelectionDialog)
(class EmacsFontSelectionDialog, FrameResized): Set minimum size
based on individual view dimensions and add label to size
control.
(BWindow_set_min_size): Delete function.
* src/haiku_support.h: Update prototypes.
* src/haikuterm.c (haiku_update_size_hints): Stop setting min
size, since that doesn't work correctly on Haiku.
* src/haiku_support.cc (struct font_selection_dialog_message):
New fields `size' and `size_specified'.
(class EmacsFontSelectionDialog): New `size_entry' control.
(MessageReceived): Set size from that control if available.
(EmacsFontSelectionDialog): Initialize that control.
(FrameResized): Handle layout for that control.
(be_select_font): New field `size'.
* src/haiku_support.h: Update prototypes.
* src/haikufont.c (Fx_select_font): Populate font spec with
size.
* src/haiku_support.cc (WaitForChoice): Accept new function for
checking quit flag.
(be_select_font): Pass that function.
* src/haiku_support.h: Update prototypes.
* src/haikufont.c (haikufont_should_quit_popup): New function.
(Fx_select_font): Give said function to `be_select_font'.
* src/xterm.c (x_next_event_from_any_display): New function.
Only used on no-toolkit builds.
(x_dnd_begin_drag_and_drop): Compute correct dpyinfo for
handle_one_xevent.
