/* * rofi * * MIT/X11 License * Copyright © 2013-2021 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. * */ #include "widgets/widget.h" #include "theme.h" #include "widgets/widget-internal.h" #include #include void widget_init(widget *wid, widget *parent, WidgetType type, const char *name) { wid->type = type; wid->parent = parent; wid->name = g_strdup(name); wid->def_padding = WIDGET_PADDING_INIT; wid->def_border = WIDGET_PADDING_INIT; wid->def_border_radius = WIDGET_PADDING_INIT; wid->def_margin = WIDGET_PADDING_INIT; wid->padding = rofi_theme_get_padding(wid, "padding", wid->def_padding); wid->border = rofi_theme_get_padding(wid, "border", wid->def_border); wid->border_radius = rofi_theme_get_padding(wid, "border-radius", wid->def_border_radius); wid->margin = rofi_theme_get_padding(wid, "margin", wid->def_margin); wid->cursor_type = rofi_theme_get_cursor_type(wid, "cursor", ROFI_CURSOR_DEFAULT); // enabled by default wid->enabled = rofi_theme_get_boolean(wid, "enabled", TRUE); } void widget_set_state(widget *widget, const char *state) { if (widget == NULL) { return; } if (g_strcmp0(widget->state, state)) { widget->state = state; // Update border. widget->border = rofi_theme_get_padding(widget, "border", widget->def_border); widget->border_radius = rofi_theme_get_padding(widget, "border-radius", widget->def_border_radius); if (widget->set_state != NULL) { widget->set_state(widget, state); } widget_queue_redraw(widget); } } int widget_intersect(const widget *widget, int x, int y) { if (widget == NULL) { return FALSE; } if (x >= (widget->x) && x < (widget->x + widget->w) && y >= (widget->y) && y < (widget->y + widget->h)) { return TRUE; } return FALSE; } void widget_resize(widget *widget, short w, short h) { if (widget == NULL) { return; } if (widget->resize != NULL) { if (widget->w != w || widget->h != h) { widget->resize(widget, w, h); } } else { widget->w = w; widget->h = h; } // On a resize we always want to update. widget_queue_redraw(widget); } void widget_move(widget *widget, short x, short y) { if (widget == NULL) { return; } widget->x = x; widget->y = y; } void widget_set_type(widget *widget, WidgetType type) { if (widget == NULL) { return; } widget->type = type; } gboolean widget_enabled(widget *widget) { if (widget == NULL) { return FALSE; } return widget->enabled; } void widget_set_enabled(widget *widget, gboolean enabled) { if (widget == NULL) { return; } if (widget->enabled != enabled) { widget->enabled = enabled; widget_update(widget); widget_update(widget->parent); widget_queue_redraw(widget); } } void widget_draw(widget *widget, cairo_t *d) { if (widget == NULL) { return; } // Check if enabled and if draw is implemented. if (widget->enabled && widget->draw) { // Don't draw if there is no space. if (widget->h < 1 || widget->w < 1) { widget->need_redraw = FALSE; return; } // Store current state. cairo_save(d); const int margin_left = distance_get_pixel(widget->margin.left, ROFI_ORIENTATION_HORIZONTAL); const int margin_top = distance_get_pixel(widget->margin.top, ROFI_ORIENTATION_VERTICAL); const int margin_right = distance_get_pixel(widget->margin.right, ROFI_ORIENTATION_HORIZONTAL); const int margin_bottom = distance_get_pixel(widget->margin.bottom, ROFI_ORIENTATION_VERTICAL); const int left = distance_get_pixel(widget->border.left, ROFI_ORIENTATION_HORIZONTAL); const int right = distance_get_pixel(widget->border.right, ROFI_ORIENTATION_HORIZONTAL); const int top = distance_get_pixel(widget->border.top, ROFI_ORIENTATION_VERTICAL); const int bottom = distance_get_pixel(widget->border.bottom, ROFI_ORIENTATION_VERTICAL); int radius_bl = distance_get_pixel(widget->border_radius.left, ROFI_ORIENTATION_HORIZONTAL); int radius_tr = distance_get_pixel(widget->border_radius.right, ROFI_ORIENTATION_HORIZONTAL); int radius_tl = distance_get_pixel(widget->border_radius.top, ROFI_ORIENTATION_VERTICAL); int radius_br = distance_get_pixel(widget->border_radius.bottom, ROFI_ORIENTATION_VERTICAL); double vspace = widget->h - margin_top - margin_bottom - top / 2.0 - bottom / 2.0; double hspace = widget->w - margin_left - margin_right - left / 2.0 - right / 2.0; if ((radius_bl + radius_tl) > (vspace)) { int j = ((vspace) / 2.0); radius_bl = MIN(radius_bl, j); radius_tl = MIN(radius_tl, j); } if ((radius_br + radius_tr) > (vspace)) { int j = ((vspace) / 2.0); radius_br = MIN(radius_br, j); radius_tr = MIN(radius_tr, j); } if ((radius_tl + radius_tr) > (hspace)) { int j = ((hspace) / 2.0); radius_tr = MIN(radius_tr, j); radius_tl = MIN(radius_tl, j); } if ((radius_bl + radius_br) > (hspace)) { int j = ((hspace) / 2.0); radius_br = MIN(radius_br, j); radius_bl = MIN(radius_bl, j); } // Background painting. // Set new x/y position. cairo_translate(d, widget->x, widget->y); cairo_set_line_width(d, 0); // Outer outline outlines double x1, y1, x2, y2; x1 = margin_left + left / 2.0, y1 = margin_top + top / 2.0, x2 = widget->w - margin_right - right / 2.0, y2 = widget->h - margin_bottom - bottom / 2.0; if (radius_tl > 0) { cairo_move_to(d, x1, y1 + radius_tl); cairo_arc(d, x1 + radius_tl, y1 + radius_tl, radius_tl, -1.0 * G_PI, -G_PI_2); } else { cairo_move_to(d, x1, y1); } if (radius_tr > 0) { cairo_line_to(d, x2 - radius_tr, y1); cairo_arc(d, x2 - radius_tr, y1 + radius_tr, radius_tr, -G_PI_2, 0 * G_PI); } else { cairo_line_to(d, x2, y1); } if (radius_br > 0) { cairo_line_to(d, x2, y2 - radius_br); cairo_arc(d, x2 - radius_br, y2 - radius_br, radius_br, 0.0 * G_PI, G_PI_2); } else { cairo_line_to(d, x2, y2); } if (radius_bl > 0) { cairo_line_to(d, x1 + radius_bl, y2); cairo_arc(d, x1 + radius_bl, y2 - radius_bl, radius_bl, G_PI_2, 1.0 * G_PI); } else { cairo_line_to(d, x1, y2); } cairo_close_path(d); cairo_set_source_rgba(d, 1.0, 1.0, 1.0, 1.0); rofi_theme_get_color(widget, "background-color", d); cairo_fill_preserve(d); if (rofi_theme_get_image(widget, "background-image", d)) { cairo_fill_preserve(d); } cairo_clip(d); widget->draw(widget, d); widget->need_redraw = FALSE; cairo_restore(d); if (left != 0 || top != 0 || right != 0 || bottom != 0) { cairo_save(d); cairo_translate(d, widget->x, widget->y); cairo_new_path(d); rofi_theme_get_color(widget, "border-color", d); // Calculate the different offsets for the corners. double minof_tr = MIN(right / 2.0, top / 2.0); double minof_tl = MIN(left / 2.0, top / 2.0); double minof_br = MIN(right / 2.0, bottom / 2.0); double minof_bl = MIN(left / 2.0, bottom / 2.0); // Inner radius double radius_inner_tl = radius_tl - minof_tl; double radius_inner_tr = radius_tr - minof_tr; double radius_inner_bl = radius_bl - minof_bl; double radius_inner_br = radius_br - minof_br; // Offsets of the different lines in each corner. // // | | // ttl ttr // | | // -ltl-###############-rtr- // $ $ // $ $ // -lbl-###############-rbr- // | | // bbl bbr // | | // // The left and right part ($) start at thinkness top bottom when no // radius double offset_ltl = (radius_inner_tl > 0) ? (left) + radius_inner_tl : left; double offset_rtr = (radius_inner_tr > 0) ? (right) + radius_inner_tr : right; double offset_lbl = (radius_inner_bl > 0) ? (left) + radius_inner_bl : left; double offset_rbr = (radius_inner_br > 0) ? (right) + radius_inner_br : right; // The top and bottom part (#) go into the corner when no radius double offset_ttl = (radius_inner_tl > 0) ? (top) + radius_inner_tl : (radius_tl > 0) ? top : 0; double offset_ttr = (radius_inner_tr > 0) ? (top) + radius_inner_tr : (radius_tr > 0) ? top : 0; double offset_bbl = (radius_inner_bl > 0) ? (bottom) + radius_inner_bl : (radius_bl > 0) ? bottom : 0; double offset_bbr = (radius_inner_br > 0) ? (bottom) + radius_inner_br : (radius_br > 0) ? bottom : 0; if (left > 0) { cairo_set_line_width(d, left); distance_get_linestyle(widget->border.left, d); cairo_move_to(d, x1, margin_top + offset_ttl); cairo_line_to(d, x1, widget->h - margin_bottom - offset_bbl); cairo_stroke(d); } if (right > 0) { cairo_set_line_width(d, right); distance_get_linestyle(widget->border.right, d); cairo_move_to(d, x2, margin_top + offset_ttr); cairo_line_to(d, x2, widget->h - margin_bottom - offset_bbr); cairo_stroke(d); } if (top > 0) { cairo_set_line_width(d, top); distance_get_linestyle(widget->border.top, d); cairo_move_to(d, margin_left + offset_ltl, y1); cairo_line_to(d, widget->w - margin_right - offset_rtr, y1); cairo_stroke(d); } if (bottom > 0) { cairo_set_line_width(d, bottom); distance_get_linestyle(widget->border.bottom, d); cairo_move_to(d, margin_left + offset_lbl, y2); cairo_line_to(d, widget->w - margin_right - offset_rbr, y2); cairo_stroke(d); } if (radius_tl > 0) { distance_get_linestyle(widget->border.left, d); cairo_set_line_width(d, 0); double radius_outer = radius_tl + minof_tl; cairo_arc(d, margin_left + radius_outer, margin_top + radius_outer, radius_outer, -G_PI, -G_PI_2); cairo_line_to(d, margin_left + offset_ltl, margin_top); cairo_line_to(d, margin_left + offset_ltl, margin_top + top); if (radius_inner_tl > 0) { cairo_arc_negative(d, margin_left + left + radius_inner_tl, margin_top + top + radius_inner_tl, radius_inner_tl, -G_PI_2, G_PI); cairo_line_to(d, margin_left + left, margin_top + offset_ttl); } cairo_line_to(d, margin_left, margin_top + offset_ttl); cairo_close_path(d); cairo_fill(d); } if (radius_tr > 0) { distance_get_linestyle(widget->border.right, d); cairo_set_line_width(d, 0); double radius_outer = radius_tr + minof_tr; cairo_arc(d, widget->w - margin_right - radius_outer, margin_top + radius_outer, radius_outer, -G_PI_2, 0); cairo_line_to(d, widget->w - margin_right, margin_top + offset_ttr); cairo_line_to(d, widget->w - margin_right - right, margin_top + offset_ttr); if (radius_inner_tr > 0) { cairo_arc_negative( d, widget->w - margin_right - right - radius_inner_tr, margin_top + top + radius_inner_tr, radius_inner_tr, 0, -G_PI_2); cairo_line_to(d, widget->w - margin_right - offset_rtr, margin_top + top); } cairo_line_to(d, widget->w - margin_right - offset_rtr, margin_top); cairo_close_path(d); cairo_fill(d); } if (radius_br > 0) { distance_get_linestyle(widget->border.right, d); cairo_set_line_width(d, 1); double radius_outer = radius_br + minof_br; cairo_arc(d, widget->w - margin_right - radius_outer, widget->h - margin_bottom - radius_outer, radius_outer, 0.0, G_PI_2); cairo_line_to(d, widget->w - margin_right - offset_rbr, widget->h - margin_bottom); cairo_line_to(d, widget->w - margin_right - offset_rbr, widget->h - margin_bottom - bottom); if (radius_inner_br > 0) { cairo_arc_negative( d, widget->w - margin_right - right - radius_inner_br, widget->h - margin_bottom - bottom - radius_inner_br, radius_inner_br, G_PI_2, 0.0); cairo_line_to(d, widget->w - margin_right - right, widget->h - margin_bottom - offset_bbr); } cairo_line_to(d, widget->w - margin_right, widget->h - margin_bottom - offset_bbr); cairo_close_path(d); cairo_fill(d); } if (radius_bl > 0) { distance_get_linestyle(widget->border.left, d); cairo_set_line_width(d, 1.0); double radius_outer = radius_bl + minof_bl; cairo_arc(d, margin_left + radius_outer, widget->h - margin_bottom - radius_outer, radius_outer, G_PI_2, G_PI); cairo_line_to(d, margin_left, widget->h - margin_bottom - offset_bbl); cairo_line_to(d, margin_left + left, widget->h - margin_bottom - offset_bbl); if (radius_inner_bl > 0) { cairo_arc_negative(d, margin_left + left + radius_inner_bl, widget->h - margin_bottom - bottom - radius_inner_bl, radius_inner_bl, G_PI, G_PI_2); cairo_line_to(d, margin_left + offset_lbl, widget->h - margin_bottom - bottom); } cairo_line_to(d, margin_left + offset_lbl, widget->h - margin_bottom); cairo_close_path(d); cairo_fill(d); } cairo_restore(d); } } } void widget_free(widget *wid) { if (wid == NULL) { return; } if (wid->name != NULL) { g_free(wid->name); } if (wid->free != NULL) { wid->free(wid); } } int widget_get_height(widget *widget) { if (widget == NULL) { return 0; } if (widget->get_height == NULL) { return widget->h; } return widget->get_height(widget); } int widget_get_width(widget *widget) { if (widget == NULL) { return 0; } if (widget->get_width == NULL) { return widget->w; } return widget->get_width(widget); } int widget_get_x_pos(widget *widget) { if (widget == NULL) { return 0; } return widget->x; } int widget_get_y_pos(widget *widget) { if (widget == NULL) { return 0; } return widget->y; } void widget_xy_to_relative(widget *widget, gint *x, gint *y) { *x -= widget->x; *y -= widget->y; if (widget->parent == NULL) { return; } widget_xy_to_relative(widget->parent, x, y); } void widget_update(widget *widget) { if (widget == NULL) { return; } // When (desired )size of widget changes. if (widget->update != NULL) { widget->update(widget); } } void widget_queue_redraw(widget *wid) { if (wid == NULL) { return; } widget *iter = wid; // Find toplevel widget. while (iter->parent != NULL) { iter->need_redraw = TRUE; iter = iter->parent; } iter->need_redraw = TRUE; } gboolean widget_need_redraw(widget *wid) { if (wid == NULL) { return FALSE; } if (!wid->enabled) { return FALSE; } return wid->need_redraw; } widget *widget_find_mouse_target(widget *wid, WidgetType type, gint x, gint y) { if (wid == NULL) { return NULL; } if (wid->find_mouse_target != NULL) { widget *target = wid->find_mouse_target(wid, type, x, y); if (target != NULL) { return target; } } if (wid->type == type || type == WIDGET_TYPE_UNKNOWN) { return wid; } return NULL; } WidgetTriggerActionResult widget_check_action(widget *wid, guint action, gint x, gint y) { if (wid == NULL) { return FALSE; } if (wid->trigger_action == NULL) { return FALSE; } /* * TODO: We should probably add a check_action callback to the widgets * to do extra checks */ return WIDGET_TRIGGER_ACTION_RESULT_HANDLED; } WidgetTriggerActionResult widget_trigger_action(widget *wid, guint action, gint x, gint y) { if (wid == NULL) { return FALSE; } if (wid->trigger_action == NULL) { return FALSE; } return wid->trigger_action(wid, action, x, y, wid->trigger_action_cb_data); } void widget_set_trigger_action_handler(widget *wid, widget_trigger_action_cb cb, void *cb_data) { if (wid == NULL) { return; } wid->trigger_action = cb; wid->trigger_action_cb_data = cb_data; } gboolean widget_motion_notify(widget *wid, gint x, gint y) { if (wid == NULL) { return FALSE; } if (wid->motion_notify == NULL) { return FALSE; } return wid->motion_notify(wid, x, y); } int widget_padding_get_left(const widget *wid) { if (wid == NULL) { return 0; } int distance = distance_get_pixel(wid->padding.left, ROFI_ORIENTATION_HORIZONTAL); distance += distance_get_pixel(wid->border.left, ROFI_ORIENTATION_HORIZONTAL); distance += distance_get_pixel(wid->margin.left, ROFI_ORIENTATION_HORIZONTAL); return distance; } int widget_padding_get_right(const widget *wid) { if (wid == NULL) { return 0; } int distance = distance_get_pixel(wid->padding.right, ROFI_ORIENTATION_HORIZONTAL); distance += distance_get_pixel(wid->border.right, ROFI_ORIENTATION_HORIZONTAL); distance += distance_get_pixel(wid->margin.right, ROFI_ORIENTATION_HORIZONTAL); return distance; } int widget_padding_get_top(const widget *wid) { if (wid == NULL) { return 0; } int distance = distance_get_pixel(wid->padding.top, ROFI_ORIENTATION_VERTICAL); distance += distance_get_pixel(wid->border.top, ROFI_ORIENTATION_VERTICAL); distance += distance_get_pixel(wid->margin.top, ROFI_ORIENTATION_VERTICAL); return distance; } int widget_padding_get_bottom(const widget *wid) { if (wid == NULL) { return 0; } int distance = distance_get_pixel(wid->padding.bottom, ROFI_ORIENTATION_VERTICAL); distance += distance_get_pixel(wid->border.bottom, ROFI_ORIENTATION_VERTICAL); distance += distance_get_pixel(wid->margin.bottom, ROFI_ORIENTATION_VERTICAL); return distance; } int widget_padding_get_remaining_width(const widget *wid) { int width = wid->w; width -= widget_padding_get_left(wid); width -= widget_padding_get_right(wid); return width; } int widget_padding_get_remaining_height(const widget *wid) { int height = wid->h; height -= widget_padding_get_top(wid); height -= widget_padding_get_bottom(wid); return height; } int widget_padding_get_padding_height(const widget *wid) { int height = 0; height += widget_padding_get_top(wid); height += widget_padding_get_bottom(wid); return height; } int widget_padding_get_padding_width(const widget *wid) { int width = 0; width += widget_padding_get_left(wid); width += widget_padding_get_right(wid); return width; } int widget_get_desired_height(widget *wid, const int width) { if (wid == NULL) { return 0; } if (wid->get_desired_height == NULL) { return wid->h; } return wid->get_desired_height(wid, width); } int widget_get_desired_width(widget *wid, const int height) { if (wid == NULL) { return 0; } if (wid->get_desired_width == NULL) { return wid->w; } return wid->get_desired_width(wid, height); } int widget_get_absolute_xpos(widget *wid) { if (wid == NULL) { return 0; } int retv = wid->x; if (wid->parent != NULL) { retv += widget_get_absolute_xpos(wid->parent); } return retv; } int widget_get_absolute_ypos(widget *wid) { if (wid == NULL) { return 0; } int retv = wid->y; if (wid->parent != NULL) { retv += widget_get_absolute_ypos(wid->parent); } return retv; }