gtk2/demos/gtk-demo/flowbox.c
2022-11-28 14:34:55 -05:00

751 lines
13 KiB
C

/* Flow Box
*
* GtkFlowBox allows flexible and responsive grids which reflow
* as needed and support sorting and filtering. The children of
* a GtkFlowBox are regular widgets
*
* The dataset used here has 665 colors.
*/
#include <gtk/gtk.h>
#include <stdlib.h>
#include <string.h>
static void
draw_color (GtkDrawingArea *drawingarea,
cairo_t *cr,
int width,
int height,
gpointer data)
{
const char *color_name = data;
GdkRGBA rgba;
if (gdk_rgba_parse (&rgba, color_name))
{
gdk_cairo_set_source_rgba (cr, &rgba);
cairo_paint (cr);
}
}
static GtkWidget *
color_swatch_new (const char *color)
{
GtkWidget *button, *area;
button = gtk_button_new ();
area = gtk_drawing_area_new ();
gtk_drawing_area_set_content_width (GTK_DRAWING_AREA (area), 24);
gtk_drawing_area_set_content_height (GTK_DRAWING_AREA (area), 24);
gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (area), draw_color, (gpointer) color, NULL);
gtk_button_set_child (GTK_BUTTON (button), area);
return button;
}
GtkWidget *
do_flowbox (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
GtkWidget *scrolled, *flowbox;
const char *colors[] = {
"AliceBlue",
"AntiqueWhite",
"AntiqueWhite1",
"AntiqueWhite2",
"AntiqueWhite3",
"AntiqueWhite4",
"aqua",
"aquamarine",
"aquamarine1",
"aquamarine2",
"aquamarine3",
"aquamarine4",
"azure",
"azure1",
"azure2",
"azure3",
"azure4",
"beige",
"bisque",
"bisque1",
"bisque2",
"bisque3",
"bisque4",
"black",
"BlanchedAlmond",
"blue",
"blue1",
"blue2",
"blue3",
"blue4",
"BlueViolet",
"brown",
"brown1",
"brown2",
"brown3",
"brown4",
"burlywood",
"burlywood1",
"burlywood2",
"burlywood3",
"burlywood4",
"CadetBlue",
"CadetBlue1",
"CadetBlue2",
"CadetBlue3",
"CadetBlue4",
"chartreuse",
"chartreuse1",
"chartreuse2",
"chartreuse3",
"chartreuse4",
"chocolate",
"chocolate1",
"chocolate2",
"chocolate3",
"chocolate4",
"coral",
"coral1",
"coral2",
"coral3",
"coral4",
"CornflowerBlue",
"cornsilk",
"cornsilk1",
"cornsilk2",
"cornsilk3",
"cornsilk4",
"crimson",
"cyan",
"cyan1",
"cyan2",
"cyan3",
"cyan4",
"DarkBlue",
"DarkCyan",
"DarkGoldenrod",
"DarkGoldenrod1",
"DarkGoldenrod2",
"DarkGoldenrod3",
"DarkGoldenrod4",
"DarkGray",
"DarkGreen",
"DarkGrey",
"DarkKhaki",
"DarkMagenta",
"DarkOliveGreen",
"DarkOliveGreen1",
"DarkOliveGreen2",
"DarkOliveGreen3",
"DarkOliveGreen4",
"DarkOrange",
"DarkOrange1",
"DarkOrange2",
"DarkOrange3",
"DarkOrange4",
"DarkOrchid",
"DarkOrchid1",
"DarkOrchid2",
"DarkOrchid3",
"DarkOrchid4",
"DarkRed",
"DarkSalmon",
"DarkSeaGreen",
"DarkSeaGreen1",
"DarkSeaGreen2",
"DarkSeaGreen3",
"DarkSeaGreen4",
"DarkSlateBlue",
"DarkSlateGray",
"DarkSlateGray1",
"DarkSlateGray2",
"DarkSlateGray3",
"DarkSlateGray4",
"DarkSlateGrey",
"DarkTurquoise",
"DarkViolet",
"DeepPink",
"DeepPink1",
"DeepPink2",
"DeepPink3",
"DeepPink4",
"DeepSkyBlue",
"DeepSkyBlue1",
"DeepSkyBlue2",
"DeepSkyBlue3",
"DeepSkyBlue4",
"DimGray",
"DimGrey",
"DodgerBlue",
"DodgerBlue1",
"DodgerBlue2",
"DodgerBlue3",
"DodgerBlue4",
"firebrick",
"firebrick1",
"firebrick2",
"firebrick3",
"firebrick4",
"FloralWhite",
"ForestGreen",
"fuchsia",
"gainsboro",
"GhostWhite",
"gold",
"gold1",
"gold2",
"gold3",
"gold4",
"goldenrod",
"goldenrod1",
"goldenrod2",
"goldenrod3",
"goldenrod4",
"gray",
"gray0",
"gray1",
"gray10",
"gray100",
"gray11",
"gray12",
"gray13",
"gray14",
"gray15",
"gray16",
"gray17",
"gray18",
"gray19",
"gray2",
"gray20",
"gray21",
"gray22",
"gray23",
"gray24",
"gray25",
"gray26",
"gray27",
"gray28",
"gray29",
"gray3",
"gray30",
"gray31",
"gray32",
"gray33",
"gray34",
"gray35",
"gray36",
"gray37",
"gray38",
"gray39",
"gray4",
"gray40",
"gray41",
"gray42",
"gray43",
"gray44",
"gray45",
"gray46",
"gray47",
"gray48",
"gray49",
"gray5",
"gray50",
"gray51",
"gray52",
"gray53",
"gray54",
"gray55",
"gray56",
"gray57",
"gray58",
"gray59",
"gray6",
"gray60",
"gray61",
"gray62",
"gray63",
"gray64",
"gray65",
"gray66",
"gray67",
"gray68",
"gray69",
"gray7",
"gray70",
"gray71",
"gray72",
"gray73",
"gray74",
"gray75",
"gray76",
"gray77",
"gray78",
"gray79",
"gray8",
"gray80",
"gray81",
"gray82",
"gray83",
"gray84",
"gray85",
"gray86",
"gray87",
"gray88",
"gray89",
"gray9",
"gray90",
"gray91",
"gray92",
"gray93",
"gray94",
"gray95",
"gray96",
"gray97",
"gray98",
"gray99",
"green",
"green1",
"green2",
"green3",
"green4",
"GreenYellow",
"grey",
"grey0",
"grey1",
"grey10",
"grey100",
"grey11",
"grey12",
"grey13",
"grey14",
"grey15",
"grey16",
"grey17",
"grey18",
"grey19",
"grey2",
"grey20",
"grey21",
"grey22",
"grey23",
"grey24",
"grey25",
"grey26",
"grey27",
"grey28",
"grey29",
"grey3",
"grey30",
"grey31",
"grey32",
"grey33",
"grey34",
"grey35",
"grey36",
"grey37",
"grey38",
"grey39",
"grey4",
"grey40",
"grey41",
"grey42",
"grey43",
"grey44",
"grey45",
"grey46",
"grey47",
"grey48",
"grey49",
"grey5",
"grey50",
"grey51",
"grey52",
"grey53",
"grey54",
"grey55",
"grey56",
"grey57",
"grey58",
"grey59",
"grey6",
"grey60",
"grey61",
"grey62",
"grey63",
"grey64",
"grey65",
"grey66",
"grey67",
"grey68",
"grey69",
"grey7",
"grey70",
"grey71",
"grey72",
"grey73",
"grey74",
"grey75",
"grey76",
"grey77",
"grey78",
"grey79",
"grey8",
"grey80",
"grey81",
"grey82",
"grey83",
"grey84",
"grey85",
"grey86",
"grey87",
"grey88",
"grey89",
"grey9",
"grey90",
"grey91",
"grey92",
"grey93",
"grey94",
"grey95",
"grey96",
"grey97",
"grey98",
"grey99",
"honeydew",
"honeydew1",
"honeydew2",
"honeydew3",
"honeydew4",
"HotPink",
"HotPink1",
"HotPink2",
"HotPink3",
"HotPink4",
"IndianRed",
"IndianRed1",
"IndianRed2",
"IndianRed3",
"IndianRed4",
"indigo",
"ivory",
"ivory1",
"ivory2",
"ivory3",
"ivory4",
"khaki",
"khaki1",
"khaki2",
"khaki3",
"khaki4",
"lavender",
"LavenderBlush",
"LavenderBlush1",
"LavenderBlush2",
"LavenderBlush3",
"LavenderBlush4",
"LawnGreen",
"LemonChiffon",
"LemonChiffon1",
"LemonChiffon2",
"LemonChiffon3",
"LemonChiffon4",
"LightBlue",
"LightBlue1",
"LightBlue2",
"LightBlue3",
"LightBlue4",
"LightCoral",
"LightCyan",
"LightCyan1",
"LightCyan2",
"LightCyan3",
"LightCyan4",
"LightGoldenrod",
"LightGoldenrod1",
"LightGoldenrod2",
"LightGoldenrod3",
"LightGoldenrod4",
"LightGoldenrodYellow",
"LightGray",
"LightGreen",
"LightGrey",
"LightPink",
"LightPink1",
"LightPink2",
"LightPink3",
"LightPink4",
"LightSalmon",
"LightSalmon1",
"LightSalmon2",
"LightSalmon3",
"LightSalmon4",
"LightSeaGreen",
"LightSkyBlue",
"LightSkyBlue1",
"LightSkyBlue2",
"LightSkyBlue3",
"LightSkyBlue4",
"LightSlateBlue",
"LightSlateGray",
"LightSlateGrey",
"LightSteelBlue",
"LightSteelBlue1",
"LightSteelBlue2",
"LightSteelBlue3",
"LightSteelBlue4",
"LightYellow",
"LightYellow1",
"LightYellow2",
"LightYellow3",
"LightYellow4",
"lime",
"LimeGreen",
"linen",
"magenta",
"magenta1",
"magenta2",
"magenta3",
"magenta4",
"maroon",
"maroon1",
"maroon2",
"maroon3",
"maroon4",
"MediumAquamarine",
"MediumBlue",
"MediumOrchid",
"MediumOrchid1",
"MediumOrchid2",
"MediumOrchid3",
"MediumOrchid4",
"MediumPurple",
"MediumPurple1",
"MediumPurple2",
"MediumPurple3",
"MediumPurple4",
"MediumSeaGreen",
"MediumSlateBlue",
"MediumSpringGreen",
"MediumTurquoise",
"MediumVioletRed",
"MidnightBlue",
"MintCream",
"MistyRose",
"MistyRose1",
"MistyRose2",
"MistyRose3",
"MistyRose4",
"moccasin",
"NavajoWhite",
"NavajoWhite1",
"NavajoWhite2",
"NavajoWhite3",
"NavajoWhite4",
"navy",
"NavyBlue",
"OldLace",
"olive",
"OliveDrab",
"OliveDrab1",
"OliveDrab2",
"OliveDrab3",
"OliveDrab4",
"orange",
"orange1",
"orange2",
"orange3",
"orange4",
"OrangeRed",
"OrangeRed1",
"OrangeRed2",
"OrangeRed3",
"OrangeRed4",
"orchid",
"orchid1",
"orchid2",
"orchid3",
"orchid4",
"PaleGoldenrod",
"PaleGreen",
"PaleGreen1",
"PaleGreen2",
"PaleGreen3",
"PaleGreen4",
"PaleTurquoise",
"PaleTurquoise1",
"PaleTurquoise2",
"PaleTurquoise3",
"PaleTurquoise4",
"PaleVioletRed",
"PaleVioletRed1",
"PaleVioletRed2",
"PaleVioletRed3",
"PaleVioletRed4",
"PapayaWhip",
"PeachPuff",
"PeachPuff1",
"PeachPuff2",
"PeachPuff3",
"PeachPuff4",
"peru",
"pink",
"pink1",
"pink2",
"pink3",
"pink4",
"plum",
"plum1",
"plum2",
"plum3",
"plum4",
"PowderBlue",
"purple",
"purple1",
"purple2",
"purple3",
"purple4",
"red",
"red1",
"red2",
"red3",
"red4",
"RosyBrown",
"RosyBrown1",
"RosyBrown2",
"RosyBrown3",
"RosyBrown4",
"RoyalBlue",
"RoyalBlue1",
"RoyalBlue2",
"RoyalBlue3",
"RoyalBlue4",
"SaddleBrown",
"salmon",
"salmon1",
"salmon2",
"salmon3",
"salmon4",
"SandyBrown",
"SeaGreen",
"SeaGreen1",
"SeaGreen2",
"SeaGreen3",
"SeaGreen4",
"seashell",
"seashell1",
"seashell2",
"seashell3",
"seashell4",
"sienna",
"sienna1",
"sienna2",
"sienna3",
"sienna4",
"silver",
"SkyBlue",
"SkyBlue1",
"SkyBlue2",
"SkyBlue3",
"SkyBlue4",
"SlateBlue",
"SlateBlue1",
"SlateBlue2",
"SlateBlue3",
"SlateBlue4",
"SlateGray",
"SlateGray1",
"SlateGray2",
"SlateGray3",
"SlateGray4",
"SlateGrey",
"snow",
"snow1",
"snow2",
"snow3",
"snow4",
"SpringGreen",
"SpringGreen1",
"SpringGreen2",
"SpringGreen3",
"SpringGreen4",
"SteelBlue",
"SteelBlue1",
"SteelBlue2",
"SteelBlue3",
"SteelBlue4",
"tan",
"tan1",
"tan2",
"tan3",
"tan4",
"teal",
"thistle",
"thistle1",
"thistle2",
"thistle3",
"thistle4",
"tomato",
"tomato1",
"tomato2",
"tomato3",
"tomato4",
"turquoise",
"turquoise1",
"turquoise2",
"turquoise3",
"turquoise4",
"violet",
"VioletRed",
"VioletRed1",
"VioletRed2",
"VioletRed3",
"VioletRed4",
"wheat",
"wheat1",
"wheat2",
"wheat3",
"wheat4",
"white",
"WhiteSmoke",
"yellow",
"yellow1",
"yellow2",
"yellow3",
"yellow4",
"YellowGreen",
NULL
};
int i;
if (!window)
{
window = gtk_window_new ();
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Flow Box");
gtk_window_set_default_size (GTK_WINDOW (window), 400, 600);
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
scrolled = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
flowbox = gtk_flow_box_new ();
gtk_widget_set_valign (flowbox, GTK_ALIGN_START);
gtk_flow_box_set_max_children_per_line (GTK_FLOW_BOX (flowbox), 30);
gtk_flow_box_set_selection_mode (GTK_FLOW_BOX (flowbox), GTK_SELECTION_NONE);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled), flowbox);
gtk_window_set_child (GTK_WINDOW (window), scrolled);
for (i = 0; colors[i]; i++)
gtk_flow_box_insert (GTK_FLOW_BOX (flowbox), color_swatch_new (colors[i]), -1);
}
if (!gtk_widget_get_visible (window))
gtk_widget_set_visible (window, TRUE);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}