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/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2017 Olaf Wintermann. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <stdio.h> #include <stdlib.h> #include "button.h" #include "container.h" #include <ucx/mempool.h> #include "../common/context.h" #include "../common/object.h" UIWIDGET ui_button(UiObject *obj, char *label, ui_callback f, void *data) { GtkWidget *button = gtk_button_new_with_label(label); if(f) { UiEventData *event = malloc(sizeof(UiEventData)); event->obj = obj; event->userdata = data; event->callback = f; event->value = 0; g_signal_connect( button, "clicked", G_CALLBACK(ui_button_clicked), event); g_signal_connect( button, "destroy", G_CALLBACK(ui_destroy_userdata), event); } UiContainer *ct = uic_get_current_container(obj); ct->add(ct, button, FALSE); return button; } void ui_button_clicked(GtkWidget *widget, UiEventData *event) { UiEvent e; e.obj = event->obj; e.window = event->obj->window; e.document = event->obj->ctx->document; e.eventdata = NULL; e.intval = event->value; event->callback(&e, event->userdata); } int64_t ui_toggle_button_get(UiInteger *integer) { GtkToggleButton *button = integer->obj; integer->value = (int)gtk_toggle_button_get_active(button); return integer->value; } void ui_toggle_button_set(UiInteger *integer, int64_t value) { GtkToggleButton *button = integer->obj; integer->value = value; gtk_toggle_button_set_active(button, value != 0 ? TRUE : FALSE); } void ui_toggled_obs(GtkToggleToolButton *widget, UiVarEventData *event) { UiEvent e; e.obj = event->obj; e.window = event->obj->window; e.document = event->obj->ctx->document; e.eventdata = event->var->value; e.intval = gtk_toggle_tool_button_get_active(widget); UiInteger *i = event->var->value; ui_notify_evt(i->observers, &e); } UIWIDGET ui_checkbox_var(UiObject *obj, char *label, UiVar *var) { GtkWidget *button = gtk_check_button_new_with_label(label); // bind value if(var) { UiInteger *value = var->value; value->obj = GTK_TOGGLE_BUTTON(button); value->get = ui_toggle_button_get; value->set = ui_toggle_button_set; gtk_toggle_button_set_active(value->obj, value->value); UiVarEventData *event = malloc(sizeof(UiVarEventData)); event->obj = obj; event->var = var; event->observers = NULL; g_signal_connect( button, "clicked", G_CALLBACK(ui_toggled_obs), event); g_signal_connect( button, "destroy", G_CALLBACK(ui_destroy_vardata), event); } UiContainer *ct = uic_get_current_container(obj); ct->add(ct, button, FALSE); return button; } UIWIDGET ui_checkbox(UiObject *obj, char *label, UiInteger *value) { UiVar *var = NULL; if(value) { var = malloc(sizeof(UiVar)); var->value = value; var->type = UI_VAR_SPECIAL; } return ui_checkbox_var(obj, label, var); } UIWIDGET ui_checkbox_nv(UiObject *obj, char *label, char *varname) { UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_INTEGER); return ui_checkbox_var(obj, label, var); } UIWIDGET ui_radiobutton_var(UiObject *obj, char *label, UiVar *var) { GSList *rg = NULL; UiInteger *rgroup; if(var) { rgroup = var->value; rg = rgroup->obj; } GtkWidget *rbutton = gtk_radio_button_new_with_label(rg, label); rg = gtk_radio_button_get_group(GTK_RADIO_BUTTON(rbutton)); if(rgroup) { rgroup->obj = rg; rgroup->get = ui_radiobutton_get; rgroup->set = ui_radiobutton_set; ui_radiobutton_set(rgroup, rgroup->value); UiVarEventData *event = malloc(sizeof(UiVarEventData)); event->obj = obj; event->var = var; event->observers = NULL; g_signal_connect( rbutton, "clicked", G_CALLBACK(ui_radio_obs), event); g_signal_connect( rbutton, "destroy", G_CALLBACK(ui_destroy_vardata), event); } UiContainer *ct = uic_get_current_container(obj); ct->add(ct, rbutton, FALSE); return rbutton; } UIWIDGET ui_radiobutton(UiObject *obj, char *label, UiInteger *rgroup) { UiVar *var = NULL; if(rgroup) { var = malloc(sizeof(UiVar)); var->value = rgroup; var->type = UI_VAR_SPECIAL; } return ui_radiobutton_var(obj, label, var); } UIWIDGET ui_radiobutton_nv(UiObject *obj, char *label, char *varname) { UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_INTEGER); return ui_radiobutton_var(obj, label, var); } void ui_radio_obs(GtkToggleToolButton *widget, UiVarEventData *event) { UiInteger *i = event->var->value; UiEvent e; e.obj = event->obj; e.window = event->obj->window; e.document = event->obj->ctx->document; e.eventdata = NULL; e.intval = i->get(i); ui_notify_evt(i->observers, &e); } int64_t ui_radiobutton_get(UiInteger *value) { int selection = 0; GSList *ls = value->obj; int i = 0; guint len = g_slist_length(ls); while(ls) { if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ls->data))) { selection = len - i - 1; break; } ls = ls->next; i++; } value->value = selection; return selection; } void ui_radiobutton_set(UiInteger *value, int64_t i) { GSList *ls = value->obj; int s = g_slist_length(ls) - 1 - i; int j = 0; while(ls) { if(j == s) { gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ls->data), TRUE); break; } ls = ls->next; j++; } value->value = i; }