/* * rofi * * MIT/X11 License * Copyright © 2013-2020 Qball Cow * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ /** The log domain of this widget. */ #define G_LOG_DOMAIN "Widgets.Box" #include #include #include "widgets/widget.h" #include "widgets/widget-internal.h" #include "widgets/box.h" #include "theme.h" /** Default spacing used in the box*/ #define DEFAULT_SPACING 2 struct _box { widget widget; RofiOrientation type; int max_size; // RofiPadding between elements RofiDistance spacing; GList *children; }; static void box_update ( widget *wid ); static int box_get_desired_width ( widget *wid ) { box *b = (box *) wid; int spacing = distance_get_pixel ( b->spacing, b->type ); int width = 0; // Allow user to override. RofiDistance w = rofi_theme_get_distance ( wid, "width", 0 ); width = distance_get_pixel ( w, ROFI_ORIENTATION_HORIZONTAL ); if ( width > 0 ) { return width; } if ( b->type == ROFI_ORIENTATION_HORIZONTAL ) { int active_widgets = 0; for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( !child->enabled ) { continue; } active_widgets++; if ( child->expand == TRUE ) { width += widget_get_desired_width ( child ); continue; } width += widget_get_desired_width ( child ); } if ( active_widgets > 0 ) { width += ( active_widgets - 1 ) * spacing; } } else { for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( !child->enabled ) { continue; } width = MAX ( widget_get_desired_width ( child ), width ); } } width += widget_padding_get_padding_width ( wid ); return width; } static int box_get_desired_height ( widget *wid ) { box *b = (box *) wid; int spacing = distance_get_pixel ( b->spacing, b->type ); int height = 0; if ( b->type == ROFI_ORIENTATION_VERTICAL ) { int active_widgets = 0; for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( !child->enabled ) { continue; } active_widgets++; height += widget_get_desired_height ( child ); } if ( active_widgets > 0 ) { height += ( active_widgets - 1 ) * spacing; } } else { for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( !child->enabled ) { continue; } height = MAX ( widget_get_desired_height ( child ), height ); } } height += widget_padding_get_padding_height ( wid ); return height; } static void vert_calculate_size ( box *b ) { int spacing = distance_get_pixel ( b->spacing, ROFI_ORIENTATION_VERTICAL ); int expanding_widgets = 0; int active_widgets = 0; int rem_width = widget_padding_get_remaining_width ( WIDGET ( b ) ); int rem_height = widget_padding_get_remaining_height ( WIDGET ( b ) ); for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( child->enabled && child->expand == FALSE ) { widget_resize ( child, rem_width, widget_get_desired_height ( child ) ); } } b->max_size = 0; for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( !child->enabled ) { continue; } active_widgets++; if ( child->expand == TRUE ) { expanding_widgets++; continue; } if ( child->h > 0 ) { b->max_size += child->h; } } if ( active_widgets > 0 ) { b->max_size += ( active_widgets - 1 ) * spacing; } if ( b->max_size > rem_height ) { b->max_size = rem_height; g_debug ( "Widgets to large (height) for box: %d %d", b->max_size, b->widget.h ); return; } if ( active_widgets > 0 ) { int top = widget_padding_get_top ( WIDGET ( b ) ); double rem = rem_height - b->max_size; int index = 0; for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( child->enabled == FALSE ) { continue; } if ( child->expand == TRUE ) { // Re-calculate to avoid round issues leaving one pixel left. int expanding_widgets_size = ( rem ) / ( expanding_widgets - index ); widget_move ( child, widget_padding_get_left ( WIDGET ( b ) ), top ); top += expanding_widgets_size; widget_resize ( child, rem_width, expanding_widgets_size ); top += spacing; rem -= expanding_widgets_size; index++; } else { widget_move ( child, widget_padding_get_left ( WIDGET ( b ) ), top ); top += widget_get_height ( child ); top += spacing; } } } b->max_size += widget_padding_get_padding_height ( WIDGET ( b ) ); } static void hori_calculate_size ( box *b ) { int spacing = distance_get_pixel ( b->spacing, ROFI_ORIENTATION_HORIZONTAL ); int expanding_widgets = 0; int active_widgets = 0; int rem_width = widget_padding_get_remaining_width ( WIDGET ( b ) ); int rem_height = widget_padding_get_remaining_height ( WIDGET ( b ) ); for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( child->enabled && child->expand == FALSE ) { widget_resize ( child, widget_get_desired_width ( child ), //child->w, rem_height ); } } b->max_size = 0; for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( !child->enabled ) { continue; } active_widgets++; if ( child->expand == TRUE ) { expanding_widgets++; continue; } // Size used by fixed width widgets. if ( child->h > 0 ) { b->max_size += child->w; } } b->max_size += MAX ( 0, ( ( active_widgets - 1 ) * spacing ) ); if ( b->max_size > ( rem_width ) ) { b->max_size = rem_width; g_debug ( "Widgets to large (width) for box: %d %d", b->max_size, b->widget.w ); //return; } if ( active_widgets > 0 ) { int left = widget_padding_get_left ( WIDGET ( b ) ); double rem = rem_width - b->max_size; int index = 0; if ( rem < 0 ) { rem = 0; } for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( child->enabled == FALSE ) { continue; } if ( child->expand == TRUE ) { // Re-calculate to avoid round issues leaving one pixel left. int expanding_widgets_size = ( rem ) / ( expanding_widgets - index ); widget_move ( child, left, widget_padding_get_top ( WIDGET ( b ) ) ); left += expanding_widgets_size; widget_resize ( child, expanding_widgets_size, rem_height ); left += spacing; rem -= expanding_widgets_size; index++; } else { widget_move ( child, left, widget_padding_get_top ( WIDGET ( b ) ) ); left += widget_get_width ( child ); left += spacing; } } } b->max_size += widget_padding_get_padding_width ( WIDGET ( b ) ); } static void box_draw ( widget *wid, cairo_t *draw ) { box *b = (box *) wid; for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; widget_draw ( child, draw ); } } static void box_free ( widget *wid ) { box *b = (box *) wid; for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; widget_free ( child ); } g_list_free ( b->children ); g_free ( b ); } void box_add ( box *box, widget *child, gboolean expand ) { if ( box == NULL ) { return; } // Make sure box is width/heigh enough. if ( box->type == ROFI_ORIENTATION_VERTICAL ) { int width = box->widget.w; width = MAX ( width, child->w + widget_padding_get_padding_width ( WIDGET ( box ) ) ); box->widget.w = width; } else { int height = box->widget.h; height = MAX ( height, child->h + widget_padding_get_padding_height ( WIDGET ( box ) ) ); box->widget.h = height; } child->expand = rofi_theme_get_boolean ( child, "expand", expand ); g_assert ( child->parent == WIDGET ( box ) ); box->children = g_list_append ( box->children, (void *) child ); widget_update ( WIDGET ( box ) ); } static void box_resize ( widget *widget, short w, short h ) { box *b = (box *) widget; if ( b->widget.w != w || b->widget.h != h ) { b->widget.w = w; b->widget.h = h; widget_update ( widget ); } } static widget *box_find_mouse_target ( widget *wid, WidgetType type, gint x, gint y ) { box *b = (box *) wid; for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; if ( !child->enabled ) { continue; } if ( widget_intersect ( child, x, y ) ) { gint rx = x - child->x; gint ry = y - child->y; widget *target = widget_find_mouse_target ( child, type, rx, ry ); if ( target != NULL ) { return target; } } } return NULL; } static void box_set_state ( widget *wid, const char *state ) { for ( GList *iter = g_list_first ( ( (box *) wid )->children ); iter != NULL; iter = g_list_next ( iter ) ) { widget * child = (widget *) iter->data; widget_set_state ( child, state ); } } box * box_create ( widget *parent, const char *name, RofiOrientation type ) { box *b = g_malloc0 ( sizeof ( box ) ); // Initialize widget. widget_init ( WIDGET ( b ), parent, WIDGET_TYPE_UNKNOWN, name ); b->type = type; b->widget.draw = box_draw; b->widget.free = box_free; b->widget.resize = box_resize; b->widget.update = box_update; b->widget.find_mouse_target = box_find_mouse_target; b->widget.get_desired_height = box_get_desired_height; b->widget.get_desired_width = box_get_desired_width; b->widget.set_state = box_set_state; b->type = rofi_theme_get_orientation ( WIDGET ( b ), "orientation", b->type ); b->spacing = rofi_theme_get_distance ( WIDGET ( b ), "spacing", DEFAULT_SPACING ); return b; } static void box_update ( widget *wid ) { box *b = (box *) wid; switch ( b->type ) { case ROFI_ORIENTATION_VERTICAL: vert_calculate_size ( b ); break; case ROFI_ORIENTATION_HORIZONTAL: default: hori_calculate_size ( b ); } if ( wid->parent ) { widget_update ( wid->parent ); } }