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UI: Alert Dialog Helper Function

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Shared helper function to create a split layout with an alert icon for popup dialogs.

Differential Revision: https://developer.blender.org/D9486

Reviewed by Julian Eisel
This commit is contained in:
Yevgeny Makarov
2020-12-06 11:17:51 -08:00
committed by Harley Acheson
parent 79eeabafb3
commit ee70eb96cf
3 changed files with 47 additions and 29 deletions
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42
source/blender/editors/interface/interface_layout.c
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@@ -5951,3 +5951,45 @@ const char *UI_layout_introspect(uiLayout *layout)
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Alert Box with Big Icon
* \{ */
/**
* Helper to add a big icon and create a split layout for alert popups.
* Returns the layout to place further items into the alert box.
*/
uiLayout *uiItemsAlertBox(uiBlock *block, const int size, const eAlertIcon icon)
{
const uiStyle *style = UI_style_get_dpi();
const short icon_size = 64 * U.dpi_fac;
const int text_points_max = MAX2(style->widget.points, style->widgetlabel.points);
const int dialog_width = icon_size + (text_points_max * size * U.dpi_fac);
/* By default, the space between icon and text/buttons will be equal to the 'columnspace',
this extra padding will add some space by increasing the left column width,
making the icon placement more symmetrical, between the block edge and the text. */
const float icon_padding = 5.0f * U.dpi_fac;
/* Calculate the factor of the fixed icon column depending on the block width. */
const float split_factor = ((float)icon_size + icon_padding) /
(float)(dialog_width - style->columnspace);
uiLayout *block_layout = UI_block_layout(
block, UI_LAYOUT_VERTICAL, UI_LAYOUT_PANEL, 0, 0, dialog_width, 0, 0, style);
/* Split layout to put alert icon on left side. */
uiLayout *split_block = uiLayoutSplit(block_layout, split_factor, false);
/* Alert icon on the left. */
uiLayout *layout = uiLayoutRow(split_block, false);
/* Using 'align_left' with 'row' avoids stretching the icon along the width of column. */
uiLayoutSetAlignment(layout, UI_LAYOUT_ALIGN_LEFT);
uiDefButAlert(block, icon, 0, 0, icon_size, icon_size);
/* The rest of the content on the right. */
layout = uiLayoutColumn(split_block, false);
return layout;
}
/** \} */