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authorJulian Eisel <julian@blender.org>2022-06-16 12:29:20 +0300
committerJulian Eisel <julian@blender.org>2022-06-16 20:25:50 +0300
commit23d2e77a54f4f813d7ee38ddb06c14ecc0943e4e (patch)
treeca697c2b8c3e4a3fc2bbbfb8dd1d70a99e0e610a /source/blender/editors/interface/interface_widgets.c
parent69d3f41d75ec62e3a7c9658104f438e0756a7e01 (diff)
UI: Add initial "grid view"
Part of T98560. See https://wiki.blender.org/wiki/Source/Interface/Views Adds all the basic functionality needed for grid views. They display items in a grid of rows and columns, typically with a preview image and a label underneath. Think of the main region in the Asset Browser. Current features: - Active item - Notifier listening (also added this to the tree view) - Performance: Skip adding buttons that are not scrolled into view (solves performance problems for big asset libraries, for example). - Custom item size - Preview items (items that draw a preview with a label underneath) - Margins between items scale so the entire region width is filled with column, rather than leaving a big empty block at the right if there's not enough space for another column (like the File and current Asset Browser does it). - "Data-View Item" theme colors. Not shown in the UI yet. No user visible changes expected since the grid views aren't used for anything yet. This was developed as part of a rewrite of the Asset Browser UI (`asset-browser-grid-view` branch), see T95653. There's no reason to keep this part in a branch, continuing development in master makes things easier. Grid and tree views have a lot of very similar code, so I'm planning to unify them to a degree. I kept things separate for the start to first find out how much and what exactly makes sense to override.
Diffstat (limited to 'source/blender/editors/interface/interface_widgets.c')
-rw-r--r--source/blender/editors/interface/interface_widgets.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/source/blender/editors/interface/interface_widgets.c b/source/blender/editors/interface/interface_widgets.c
index 10096f054b3..e2df2d77817 100644
--- a/source/blender/editors/interface/interface_widgets.c
+++ b/source/blender/editors/interface/interface_widgets.c
@@ -105,6 +105,7 @@ typedef enum {
UI_WTYPE_PROGRESSBAR,
UI_WTYPE_NODESOCKET,
UI_WTYPE_TREEROW,
+ UI_WTYPE_GRID_TILE,
} uiWidgetTypeEnum;
/**
@@ -3706,6 +3707,16 @@ static void widget_treerow(uiBut *but,
widget_treerow_exec(wcol, rect, state, roundboxalign, tree_row->indentation, zoom);
}
+static void widget_gridtile(uiWidgetColors *wcol,
+ rcti *rect,
+ const uiWidgetStateInfo *state,
+ int roundboxalign,
+ const float zoom)
+{
+ /* TODO Reuse tree-row drawing. */
+ widget_treerow_exec(wcol, rect, state, roundboxalign, 0, zoom);
+}
+
static void widget_nodesocket(uiBut *but,
uiWidgetColors *wcol,
rcti *rect,
@@ -4598,9 +4609,15 @@ static uiWidgetType *widget_type(uiWidgetTypeEnum type)
break;
case UI_WTYPE_TREEROW:
+ wt.wcol_theme = &btheme->tui.wcol_view_item;
wt.custom = widget_treerow;
break;
+ case UI_WTYPE_GRID_TILE:
+ wt.wcol_theme = &btheme->tui.wcol_view_item;
+ wt.draw = widget_gridtile;
+ break;
+
case UI_WTYPE_NODESOCKET:
wt.custom = widget_nodesocket;
break;
@@ -4937,6 +4954,11 @@ void ui_draw_but(const bContext *C, struct ARegion *region, uiStyle *style, uiBu
fstyle = &style->widgetlabel;
break;
+ case UI_BTYPE_GRID_TILE:
+ wt = widget_type(UI_WTYPE_GRID_TILE);
+ fstyle = &style->widgetlabel;
+ break;
+
case UI_BTYPE_SCROLL:
wt = widget_type(UI_WTYPE_SCROLL);
break;