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relayout tips when lighttable is empty
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@dterrahe
dterrahe committed Jun 25, 2024
1 parent 76c3d18 commit eb7b9c9
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Showing 2 changed files with 59 additions and 61 deletions.
118 changes: 58 additions & 60 deletions src/dtgtk/thumbtable.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1149,80 +1149,75 @@ static void _lighttable_expose_empty(cairo_t *cr,
int32_t height,
const gboolean lighttable)
{
const float fs = DT_PIXEL_APPLY_DPI(15.0f);
const float ls = 1.5f * fs;
const float offy = height * 0.2f;
const float offx = DT_PIXEL_APPLY_DPI(60);
const float at = 0.3f;
dt_gui_gtk_set_source_rgb(cr, DT_GUI_COLOR_LIGHTTABLE_BG);
cairo_rectangle(cr, 0, 0, width, height);
cairo_fill(cr);

PangoLayout *layout;
PangoRectangle ink;
dt_gui_gtk_set_source_rgb(cr, DT_GUI_COLOR_LIGHTTABLE_FONT);
const float offy = height * 0.2f;
const float offx = width * 0.05f;
cairo_move_to(cr, offx, offy);
PangoLayout *layout = pango_cairo_create_layout(cr);
PangoFontDescription *desc =
pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_absolute_size(desc, fs * PANGO_SCALE);
layout = pango_cairo_create_layout(cr);
pango_font_description_set_absolute_size(desc, DT_PIXEL_APPLY_DPI(20.0f) * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
cairo_set_font_size(cr, fs);
dt_gui_gtk_set_source_rgb(cr, DT_GUI_COLOR_LIGHTTABLE_FONT);
pango_layout_set_text(layout, _("there are no images in this collection"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, offx, offy - ink.height - ink.x);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
pango_layout_set_width(layout, PANGO_SCALE * (width - 2*offx));
PangoTabArray *tabs = pango_tab_array_new_with_positions (1, TRUE, PANGO_TAB_RIGHT, width - 2*offx);
pango_layout_set_tabs(layout, tabs);
pango_tab_array_free(tabs);

#define RGHT "\t ",
gchar *filter_text = _("try to relax the filter settings in the top panel");
gchar *text = g_strjoin(NULL,
"<b>", _("there are no images in this collection"), "</b>",
!lighttable ? NULL : "\n\n"
, _("if you have not imported any images yet"),
"<b>"RGHT _("need help?"), "</b>",
"\n" , _("you can do so in the import module"),
RGHT _("click on ？ then an on-screen item to open manual page"),
"\n" RGHT _("press and hold 'h' to show all active keyboard shortcuts"),
"\n" , filter_text,
"\n" , _("or add images in the collections module in the left panel"),
"<b>"RGHT _("personalize darktable"), "</b>",
"\n" RGHT _("click on the gear icon for global preferences"),
"\n" RGHT _("click on the keyboard icon to define shortcuts"),
"\n" , _("try the 'no-click' workflow: hover over an image and use"),
"\n" , _("keyboard shortcuts to apply ratings, colors, styles, etc."),
"\n" , _("hover over any button to see a description and shortcut"),
RGHT _("click <u>here</u> to open the online manual"),
NULL);
pango_layout_set_markup(layout, text, -1);
pango_cairo_show_layout(cr, layout);
g_free(text);

if(lighttable)
{
pango_layout_set_text(layout, _("if you have not imported any images yet"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, offx, offy + 2 * ls - ink.height - ink.x);
pango_cairo_show_layout(cr, layout);
pango_layout_set_text(layout, _("you can do so in the import module"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, offx, offy + 3 * ls - ink.height - ink.x);
pango_cairo_show_layout(cr, layout);
cairo_move_to(cr, offx - DT_PIXEL_APPLY_DPI(10.0f), offy + 3 * ls - ls * .25f);
cairo_line_to(cr, 0.0f, 10.0f);
dt_gui_gtk_set_source_rgba(cr, DT_GUI_COLOR_LIGHTTABLE_FONT, at);
cairo_stroke(cr);
pango_layout_set_text(layout,
_("try to relax the filter settings in the top panel"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, offx, offy + 5 * ls - ink.height - ink.x);
dt_gui_gtk_set_source_rgb(cr, DT_GUI_COLOR_LIGHTTABLE_FONT);
pango_cairo_show_layout(cr, layout);
cairo_rel_move_to(cr, 10.0f + ink.width, ink.height * 0.5f);
cairo_line_to(cr, width * 0.5f, 0.0f);
dt_gui_gtk_set_source_rgba(cr, DT_GUI_COLOR_LIGHTTABLE_FONT, at);
cairo_stroke(cr);
pango_layout_set_text
(layout,
_("or add images in the collections module in the left panel"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, offx, offy + 6 * ls - ink.height - ink.x);
dt_gui_gtk_set_source_rgb(cr, DT_GUI_COLOR_LIGHTTABLE_FONT);
pango_cairo_show_layout(cr, layout);
cairo_move_to(cr, offx - DT_PIXEL_APPLY_DPI(10.0f), offy + 6 * ls - ls * 0.25f);
cairo_rel_line_to(cr, -offx + 10.0f, 0.0f);
dt_gui_gtk_set_source_rgba(cr, DT_GUI_COLOR_LIGHTTABLE_FONT, at);
cairo_stroke(cr);
dt_gui_gtk_set_source_rgba(cr, DT_GUI_COLOR_LIGHTTABLE_FONT, 0.3f);
const float offx2 = offx - DT_PIXEL_APPLY_DPI(10);
PangoRectangle ink;
pango_layout_set_text(layout, filter_text, -1);
pango_layout_get_pixel_extents(layout, NULL, &ink);
int button_width =
gtk_widget_get_allocated_width(darktable.gui->focus_peaking_button);

cairo_move_to(cr, offx2, offy + 3.5 * ink.height);
cairo_line_to(cr, 0, 10);
cairo_move_to(cr, offx + ink.width, offy + 5.5 * ink.height);
cairo_line_to(cr, width * 0.45f, 0);
cairo_move_to(cr, offx2, offy + 6.5 * ink.height);
cairo_line_to(cr, 0, offy + 6.5 * ink.height);
cairo_move_to(cr, 4 * button_width, offy + 12 * ink.height);
cairo_line_to(cr, 4 * button_width, height);

cairo_move_to(cr, width - offx2 - ink.width/2, offy + 3 * ink.height);
cairo_line_to(cr, width - 2.5 * button_width, 0);
cairo_move_to(cr, width - offx2, offy + 8 * ink.height);
cairo_line_to(cr, width - button_width, 0);

pango_layout_set_text(layout,
_("try the 'no-click' workflow: hover on an image and use"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, offx, offy + 9 * ls - ink.height - ink.x);
dt_gui_gtk_set_source_rgb(cr, DT_GUI_COLOR_LIGHTTABLE_FONT);
pango_cairo_show_layout(cr, layout);
pango_layout_set_text(layout,
_("keyboard shortcuts to apply ratings, colors, styles, etc."), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, offx, offy + 10 * ls - ink.height - ink.x);
dt_gui_gtk_set_source_rgb(cr, DT_GUI_COLOR_LIGHTTABLE_FONT);
pango_cairo_show_layout(cr, layout);
cairo_stroke(cr);
}

pango_font_description_free(desc);
g_object_unref(layout);
}
Expand Down Expand Up @@ -1327,6 +1322,9 @@ static gboolean _event_button_press(GtkWidget *widget,
{
// we click in an empty area, let's deselect all images
dt_selection_clear(darktable.selection);
if(!darktable.collection
|| (dt_collection_get_count(darktable.collection) == 0))
dt_gui_show_help(NULL);
return TRUE;
}

Expand Down
2 changes: 1 addition & 1 deletion src/gui/gtk.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2970,7 +2970,7 @@ char *dt_gui_get_help_url(GtkWidget *widget)
widget = gtk_widget_get_parent(widget);
}

return NULL;
return "/";
}

void dt_gui_dialog_add_help(GtkDialog *dialog,
Expand Down

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