Gtk basic learning Summary (2), gtk basic learning Summary

Gtk basic learning Summary (2), gtk basic learning Summary

I. Signals and events

Void g_signal_connect (instance, char * signalName, callback, gpointerobject );

// Instance: gtk Control

Int btnOnClick (GtkWidget * widget, int data );

Example: g_signal_connect (window, "destroy", gtk_main_quit, NULL );

 

// Add a Clicked event

GtkButton * btn1 = gtk_button_new ();

Gtk_button_set_label (btn1, "button ");

Gtk_container_add (window, btn1 );

G_signal_connect (btn1, "clicked", btn1OnClicked, NULL );

Gtk_widget_show (btn1 );

 

2. Gtk Control

// Check box CheckButton

// GtkCheckButton * cb1 = gtk_check_button_new_with_label (" ");

CbAgree = gtk_check_button_new ();

Gtk_button_set_label (cbAgree, "I agree with the above agreement .");

Gtk_box_pack_start (box, cbAgree, FALSE, FALSE, 0 );

Gtk_widget_show (cbAgree );

G_signal_connect (cbAgree, "clicked", cbAgreeOnClick, NULL );

 

// Single parameter RadioButton

GtkRadioButton * radio1 = gtk_radio_button_new_with_label (NULL, "male ");

GtkRadioButton * radio2 = gtk_radio_button_new_with_label_from_widget (radio1, "female"); // the same group as radio1

Gtk_box_pack_start (box, radio1, FALSE, FALSE, 0 );

Gtk_box_pack_start (box, radio2, FALSE, FALSE, 0 );

Gtk_widget_show (radio1 );

Gtk_widget_show (radio2 );

 

// Text box entry

EntryName = gtk_entry_new ();

Gtk_entry_set_max_length (entryName, 5); // you can specify the maximum length of an input.

Gtk_entry_set_visibility (entryName, FALSE); // set it to the password frame style.

Gtk_box_pack_start (box, entryName, FALSE, FALSE, 0 );

Gtk_widget_show (entryName );

 

// Label

LabelResult = gtk_label_new ("");

Gtk_box_pack_start (box, labelResult, FALSE, FALSE, 0 );

Gtk_widget_show (labelResult );

 

// ComboBoxText

CmbGril = gtk_combo_box_text_new ();

Gtk_box_pack_start (box, cmbGril, FALSE, FALSE, 0 );

Gtk_combo_box_text_append (cmbGril, "wm", "Wu ");

Gtk_combo_box_text_append (cmbGril, "wd", "Wu Dong ");

Gtk_combo_box_text_append (cmbGril, "wxq", "Wu Xiaoqing ");

Gtk_combo_box_set_active_id (cmbGril, "wd ");

// Changed event

G_signal_connect (cmbGril, "changed", cmbGrilOnChanged, NULL );

Gtk_widget_show (cmbGril );

 

// GtkImage, supports JPG, GIF, and PNG, and does not support BMP GtkImage

* Img1 = gtk_image_new ();

// Gtk_image_set_from_file (img1, "D: \ 00_13.jpg ");

Gtk_image_set_from_stock (img1, GTK_STOCK_ADD, GTK_ICON_SIZE_DIALOG );

Gtk_box_pack_start (box, img1, FALSE, FALSE, 0); gtk_widget_show (img1 );

 

// Buttons with images

GtkImage * img = gtk_image_new ();

Gtk_image_set_from_stock (img, GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON );

Gtk_widget_show (img );

GtkButton * btn = gtk_button_new_with_label ("OK ");

Gtk_button_set_image (btn, img );

Gtk_container_add (window, btn );

Gtk_widget_show (btn );

 

 

Appendix: The above content is a summary of what I learned after learning the teaching video of Teacher Yang zhongke's "C language is also capable of major events (the third edition.