mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-17 06:10:15 +00:00
246 lines
7.6 KiB
C
246 lines
7.6 KiB
C
#include <string.h>
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#include <gtk/gtk.h>
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static gboolean
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draw_cb_checks (GtkWidget *widget, cairo_t *cr)
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{
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GtkStyleContext *context;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_save (context);
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gtk_style_context_add_class (context, "check");
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gtk_style_context_set_state (context, 0);
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gtk_render_check (context, cr, 12, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_ACTIVE);
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gtk_render_check (context, cr, 36, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_INCONSISTENT);
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gtk_render_check (context, cr, 60, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_INSENSITIVE);
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gtk_render_check (context, cr, 84, 12, 12, 12);
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gtk_style_context_restore (context);
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return TRUE;
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}
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static gboolean
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draw_cb_options (GtkWidget *widget, cairo_t *cr)
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{
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GtkStyleContext *context;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_save (context);
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gtk_style_context_add_class (context, "radio");
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gtk_style_context_set_state (context, 0);
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gtk_render_option (context, cr, 12, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_ACTIVE);
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gtk_render_option (context, cr, 36, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_INCONSISTENT);
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gtk_render_option (context, cr, 60, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_INSENSITIVE);
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gtk_render_option (context, cr, 84, 12, 12, 12);
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gtk_style_context_restore (context);
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return TRUE;
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}
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static gboolean
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draw_cb_arrows (GtkWidget *widget, cairo_t *cr)
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{
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GtkStyleContext *context;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_save (context);
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gtk_style_context_set_state (context, 0);
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gtk_render_arrow (context, cr, 0, 12, 12, 12);
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gtk_render_arrow (context, cr, G_PI/2, 36, 12, 12);
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gtk_render_arrow (context, cr, G_PI, 60, 12, 12);
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gtk_render_arrow (context, cr, G_PI*3/2, 84, 12, 12);
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gtk_style_context_restore (context);
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return TRUE;
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}
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static gboolean
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draw_cb_expanders (GtkWidget *widget, cairo_t *cr)
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{
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GtkStyleContext *context;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_save (context);
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gtk_style_context_add_class (context, "expander");
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gtk_style_context_set_state (context, 0);
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gtk_render_expander (context, cr, 12, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_PRELIGHT);
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gtk_render_expander (context, cr, 36, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_ACTIVE);
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gtk_render_expander (context, cr, 60, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_ACTIVE);
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gtk_render_expander (context, cr, 84, 12, 12, 12);
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gtk_style_context_restore (context);
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return TRUE;
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}
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static gboolean
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draw_cb_background (GtkWidget *widget, cairo_t *cr)
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{
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GtkStyleProvider *provider;
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GtkStyleContext *context;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_save (context);
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provider = (GtkStyleProvider *)gtk_css_provider_new ();
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gtk_css_provider_load_from_data (GTK_CSS_PROVIDER (provider),
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"* {\n"
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" border-radius: 10;\n"
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" border-width: 0;\n"
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" background-image: -gtk-gradient (linear, left top, right bottom, from(#ff00ff), to(#aabbcc));\n"
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"}\n", -1, NULL);
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gtk_style_context_add_provider (context, provider, GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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gtk_style_context_set_junction_sides (context, 0);
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gtk_render_background (context, cr, 12, 12, 100, 100);
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gtk_style_context_remove_provider (context, provider);
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gtk_style_context_restore (context);
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return TRUE;
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}
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static gboolean
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draw_cb_frame (GtkWidget *widget, cairo_t *cr)
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{
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GtkStyleProvider *provider;
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GtkStyleContext *context;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_save (context);
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provider = (GtkStyleProvider *)gtk_css_provider_new ();
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gtk_css_provider_load_from_data (GTK_CSS_PROVIDER (provider),
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".frame1 {\n"
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" border-image: url('gradient1.png') 10 10 10 10 stretch;\n"
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"}\n"
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".frame2 {\n"
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" border-style: solid;\n"
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" border-color: rgb(255,0,0);\n"
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" border-width: 10;\n"
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" border-radius: 10;\n"
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"}\n"
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".frame3 {\n"
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" border-style: solid;\n"
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" border-color: rgb(0,0,0);\n"
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" border-width: 2;\n"
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" border-radius: 10;\n"
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"}\n",
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-1, NULL);
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gtk_style_context_add_provider (context, provider, GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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gtk_style_context_add_class (context, "frame1");
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gtk_style_context_set_junction_sides (context, 0);
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gtk_render_frame (context, cr, 12, 12, 50, 50);
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gtk_style_context_remove_class (context, "frame1");
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gtk_style_context_add_class (context, "frame2");
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gtk_render_frame (context, cr, 74, 12, 50, 50);
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gtk_style_context_remove_class (context, "frame2");
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gtk_style_context_add_class (context, "frame3");
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gtk_style_context_set_junction_sides (context, GTK_JUNCTION_RIGHT);
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gtk_render_frame (context, cr, 12, 74, 56, 50);
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gtk_style_context_set_junction_sides (context, GTK_JUNCTION_LEFT);
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gtk_render_frame (context, cr, 68, 74, 56, 50);
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gtk_style_context_remove_class (context, "frame3");
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gtk_style_context_remove_provider (context, provider);
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gtk_style_context_restore (context);
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return TRUE;
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}
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/* FIXME: this doesn't work */
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static gboolean
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draw_cb_activity (GtkWidget *widget, cairo_t *cr)
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{
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GtkStyleContext *context;
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context = gtk_widget_get_style_context (widget);
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gtk_style_context_save (context);
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gtk_style_context_add_class (context, "spinner");
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gtk_style_context_set_state (context, 0);
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gtk_render_activity (context, cr, 12, 12, 12, 12);
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gtk_style_context_set_state (context, GTK_STATE_FLAG_INSENSITIVE);
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gtk_render_activity (context, cr, 36, 12, 12, 12);
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gtk_style_context_restore (context);
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return TRUE;
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}
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static char *what;
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static gboolean
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draw_cb (GtkWidget *widget, cairo_t *cr)
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{
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if (strcmp (what, "check") == 0)
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return draw_cb_checks (widget, cr);
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else if (strcmp (what, "option") == 0)
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return draw_cb_options (widget, cr);
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else if (strcmp (what, "arrow") == 0)
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return draw_cb_arrows (widget, cr);
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else if (strcmp (what, "expander") == 0)
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return draw_cb_expanders (widget, cr);
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else if (strcmp (what, "background") == 0)
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return draw_cb_background (widget, cr);
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else if (strcmp (what, "frame") == 0)
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return draw_cb_frame (widget, cr);
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else if (strcmp (what, "activity") == 0)
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return draw_cb_activity (widget, cr);
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return FALSE;
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}
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int main (int argc, char *argv[])
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{
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GtkWidget *window;
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GtkWidget *ebox;
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gtk_init (&argc, &argv);
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if (argc > 1)
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what = argv[1];
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else
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what = "check";
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_has_resize_grip (GTK_WINDOW (window), FALSE);
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ebox = gtk_event_box_new ();
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gtk_event_box_set_visible_window (GTK_EVENT_BOX (ebox), TRUE);
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gtk_container_add (GTK_CONTAINER (window), ebox);
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gtk_widget_set_name (ebox, "ebox");
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g_signal_connect_after (ebox, "draw", G_CALLBACK (draw_cb), NULL);
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gtk_widget_show_all (window);
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gtk_main ();
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return 0;
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}
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