Add separator plugin
This commit is contained in:
Oskari Rauta
217
src/separator/separator.c
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217
src/separator/separator.c
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// Tint2 : Separator plugin
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// Author: Oskari Rauta
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#include <string.h>
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#include <stdio.h>
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#include <cairo.h>
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#include <cairo-xlib.h>
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#include <pango/pangocairo.h>
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#include <stdlib.h>
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#include <math.h>
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#include "window.h"
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#include "server.h"
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#include "panel.h"
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#include "common.h"
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#include "separator.h"
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Separator *create_separator()
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{
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Separator *separator = calloc(1, sizeof(Separator));
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return separator;
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}
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void destroy_separator(void *obj)
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{
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Separator *separator = (Separator *)obj;
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remove_area(&separator->area);
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free_area(&separator->area);
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free_and_null(separator);
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}
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void init_separator()
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{
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GList *to_remove = panel_config.separator_list;
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for (int k = 0; k < strlen(panel_items_order) && to_remove; k++) {
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if (panel_items_order[k] == ':') {
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to_remove = to_remove->next;
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}
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}
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if (to_remove) {
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if (to_remove == panel_config.separator_list) {
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g_list_free_full(to_remove, destroy_separator);
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panel_config.separator_list = NULL;
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} else {
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// Cut panel_config.separator_list
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if (to_remove->prev)
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to_remove->prev->next = NULL;
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to_remove->prev = NULL;
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// Remove all elements of to_remove and to_remove itself
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g_list_free_full(to_remove, destroy_separator);
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}
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}
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}
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void init_separator_panel(void *p)
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{
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Panel *panel = (Panel *)p;
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// Make sure this is only done once if there are multiple items
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if (panel->separator_list)
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return;
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// panel->separator_list is now a copy of the pointer panel_config.separator_list
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// We make it a deep copy
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panel->separator_list = g_list_copy_deep(panel_config.separator_list, NULL, NULL);
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for (GList *l = panel->separator_list; l; l = l->next) {
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Separator *separator = l->data;
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if (!separator->area.bg)
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separator->area.bg = &g_array_index(backgrounds, Background, 0);
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separator->area.parent = p;
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separator->area.panel = p;
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snprintf(separator->area.name, sizeof(separator->area.name), "separator");
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separator->area.size_mode = LAYOUT_FIXED;
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separator->area.resize_needed = 1;
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separator->area.on_screen = TRUE;
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separator->area._resize = resize_separator;
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separator->area._draw_foreground = draw_separator;
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}
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}
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void cleanup_separator()
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{
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// Cleanup frontends
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for (int i = 0; i < num_panels; i++) {
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g_list_free_full(panels[i].separator_list, destroy_separator);
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panels[i].separator_list = NULL;
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}
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// Cleanup backends
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g_list_free_full(panel_config.separator_list, destroy_separator);
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panel_config.separator_list = NULL;
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}
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gboolean resize_separator(void *obj)
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{
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Separator *separator = obj;
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// Panel *panel = separator->area.panel;
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if (!separator->area.on_screen)
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return FALSE;
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double d_height = panel_horizontal ? separator->area.height : separator->area.width;
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double d_thickness = round(d_height / 16) >= 1.0 ? round(d_height / 16) : 1.0;
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if (separator->style == 3)
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d_thickness = round(d_height / 8) >= 1.0 ? round(d_height / 8) : 1.0;
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double d_len = round(d_height / 16) >= 1.0 ? round(d_height / 16) : 1.0;
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double d_width = d_thickness * 5;
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if (separator->style == 4) {
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d_width = d_thickness * 7;
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d_thickness = d_thickness * 3;
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}
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if (separator->style == 2) {
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d_width = d_height;
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d_thickness = round(d_height / 8) >= 1.0 ? round(d_height / 8) : 1.0;
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d_len = d_thickness;
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}
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double d_empty_thickness = d_thickness;
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if (separator->style == 5 || separator->style == 6) {
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d_width = (d_thickness * 4) + 2.0;
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d_thickness = 1.0;
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}
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if (panel_horizontal) {
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separator->area.width = d_width;
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separator->area.height = d_height;
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} else {
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separator->area.width = d_height;
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separator->area.height = d_width;
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}
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separator->empty_thickness = d_empty_thickness;
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separator->thickness = d_thickness;
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separator->len = d_len;
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schedule_redraw(&separator->area);
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panel_refresh = TRUE;
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return TRUE;
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}
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void draw_separator(void *obj, cairo_t *c)
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{
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Separator *separator = obj;
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if (separator->style == 0 )
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return;
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double start_point = 0 + ( separator->thickness * 2 );
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double end_point = separator->area.height - ( separator->thickness * 2 );
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if (!panel_horizontal)
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end_point = separator->area.width - ( separator->thickness * 2 );
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double count = end_point - start_point;
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double thickness = separator->thickness;
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double len = separator->len;
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int alt = 0;
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double x_fix = 0;
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if (separator->style == 2) {
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if (!panel_horizontal)
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start_point=start_point + 2;
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cairo_set_source_rgba(c, separator->color.rgb[0], separator->color.rgb[1], separator->color.rgb[2], separator->color.alpha);
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cairo_set_line_width(c, 1);
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cairo_rectangle(c, start_point - 2, start_point - (panel_horizontal ? 0 : 4), end_point - thickness - 3, end_point - thickness - ( panel_horizontal ? 3 : 3));
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cairo_stroke_preserve(c);
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cairo_fill(c);
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return;
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}
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if (count < thickness)
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return;
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while (((int) count) % 2) {
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if (alt) {
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start_point++;
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alt = 0;
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} else {
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end_point--;
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alt = 1;
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}
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count = end_point - start_point;
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if (count < thickness)
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return;
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}
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if (separator->style == 3 || separator->style == 4)
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x_fix = round(thickness / 2) + (separator->style == 4 ? 1.0 : 0.0);
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if (separator->style == 5 || separator->style == 6) {
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x_fix = -1.0;
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start_point = start_point + 2;
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end_point--;
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}
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double separator_pattern[] = { len, len };
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double separator_style6_pattern[] = { 1.0 };
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cairo_set_source_rgba(c, separator->color.rgb[0], separator->color.rgb[1], separator->color.rgb[2], separator->color.alpha);
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cairo_set_line_width(c, thickness);
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if (separator->style == 6)
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cairo_set_dash(c, separator_style6_pattern, 1, 0);
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else
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cairo_set_dash(c, separator_pattern, sizeof(separator_pattern) / sizeof(separator_pattern[0]), 0);
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if (panel_horizontal) {
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cairo_move_to(c, (separator->area.width / 2) - thickness + x_fix, start_point);
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cairo_line_to(c, (separator->area.width / 2) - thickness + x_fix, end_point);
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} else {
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cairo_move_to(c, start_point, (separator->area.height / 2) - thickness + x_fix);
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cairo_line_to(c, end_point, (separator->area.height / 2) - thickness + x_fix);
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}
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cairo_stroke(c);
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}
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27
src/separator/separator.h
Normal file
27
src/separator/separator.h
Normal file
@@ -0,0 +1,27 @@
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// Tint2 : Separator
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// Author: Oskari Rauta <oskari.rauta@gmail.com>
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#ifndef SEPARATOR_H
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#define SEPARATOR_H
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#include "common.h"
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#include "area.h"
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typedef struct Separator {
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Area area;
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int style;
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Color color;
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double empty_thickness;
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double thickness;
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double len;
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} Separator;
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Separator *create_separator();
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void destroy_separator(void *obj);
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void init_separator();
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void init_separator_panel(void *p);
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void cleanup_separator();
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gboolean resize_separator(void *obj);
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void draw_separator(void *obj, cairo_t *c);
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#endif
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