Following quickly on native gtk3 popup context menus is implementation of native gtk3 menubar and menus.
For comparison here's the (not utterly awful) emulated look prior to this. You can compare the spacing of elements in the menubar, menu separator rendering, distance of checkmarks to the following text, the display of the short cuts in different font attributes with different positioning, and menu entry line spacing.
This is mostly achieved by reusing the export of the toplevel menubar and menu structure via GMenuModel work by Antonio Fernandez and Bjoern Michaelsen and just stuffing a GtkMenuBar into a GtkGrid in the toplevel widget and moving the LibreOffice "guts" widget a level down with no LibreOffice menubar visible.
Sunday 28 February 2016
Wednesday 24 February 2016
current LibreOffice native gtk3 elements
LibreOffice typically basically has just one gtk widget per top level window and draws everything you see itself, using the gtk themeing apis to make what it draws look like they do in gtk.
But there are some truly native gtk elements. Some of them new.
Tooltips, like the above transparent example, are real gtk tooltips now. Here's what they used to look like
The menubar and menus launched from that menubar are currently still emulated ones, but they're the next target for nativization. We have mechanisms in place for the MacOSX and Unity menu integration that can probably be adapted and extended to support driving a native GtkMenuBar hosted in the GtkFixed-alike toplevel widget that fills each toplevel window.
But there are some truly native gtk elements. Some of them new.
Tooltips
Tooltips, like the above transparent example, are real gtk tooltips now. Here's what they used to look like
Popovers
We recently in master began using GtkPopovers for informational messages such as the above calc formula formatting help.Context Menus
As of today, context menus are native Gtk menus. This has the advantage of making managing overlarge menu scrolling all a gtk issue instead of faffing around endless in vcl to emulate what a native gtk menu would do. Flipping on/off mnemonics depending on keyboard input or whether the menu was launched by keyboard instead of mouse similarly becomes "someone elses problem". Here's the same menu launched via the menu key, automatically with mnemonics on start.The menubar and menus launched from that menubar are currently still emulated ones, but they're the next target for nativization. We have mechanisms in place for the MacOSX and Unity menu integration that can probably be adapted and extended to support driving a native GtkMenuBar hosted in the GtkFixed-alike toplevel widget that fills each toplevel window.
Tuesday 16 February 2016
gtk3 and LibreOffice
Couple of changes to the gtk3 support in LibreOffice master recently.
With mclasen's help I've added simple demos to the foreign-drawing demo of gtk-demo for the different elements that we render via those rendering apis. So what we attempt to do in LibreOffice is basically documented in gtk-demo now. So from 3.20 onwards if there are styling flaws in LibreOffice, then gtk-demo can be checked if it has the same problem or not.
Theming stuff
The gtk3 support in master LibreOffice is now updated to support the relatively recent changes in gtk 3.19's style mechanism.With mclasen's help I've added simple demos to the foreign-drawing demo of gtk-demo for the different elements that we render via those rendering apis. So what we attempt to do in LibreOffice is basically documented in gtk-demo now. So from 3.20 onwards if there are styling flaws in LibreOffice, then gtk-demo can be checked if it has the same problem or not.
Drag and Drop
Drag and Drop is now implemented in the gtk3 backend. DnD here includes moving blocks of cells around a calc spreadsheet using the mouse alone.Wayland gstreamer video playback
If the gtksink gstreamer element is present (e.g. gstreamer >= 1.7.1 as in Fedora 24) then the gtksink gtk widget integration will be used to play video. Which means support for video playback in LibreOffice under wayland.
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