added scrollbar (GTK)

Wed, 27 Jan 2016 12:10:42 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 27 Jan 2016 12:10:42 +0100
changeset 118
bb21210e9cac
parent 117
38c53b8a6139
child 119
d7a7fb79b5f7

added scrollbar (GTK)

application/main.c file | annotate | diff | comparison | revisions
ui/gtk/graphics.c file | annotate | diff | comparison | revisions
ui/gtk/objs.mk file | annotate | diff | comparison | revisions
ui/gtk/range.c file | annotate | diff | comparison | revisions
ui/gtk/range.h file | annotate | diff | comparison | revisions
ui/gtk/toolkit.h file | annotate | diff | comparison | revisions
ui/ui/range.h file | annotate | diff | comparison | revisions
ui/ui/toolkit.h file | annotate | diff | comparison | revisions
ui/ui/ui.h file | annotate | diff | comparison | revisions
--- a/application/main.c	Tue Jan 26 20:06:16 2016 +0100
+++ b/application/main.c	Wed Jan 27 12:10:42 2016 +0100
@@ -34,6 +34,8 @@
 #include <ucx/utils.h>
 
 UiInteger radio;
+UiRange range;
+UIWIDGET drawingarea;
 
 void action_menu(UiEvent *event, void *data) {
     printf("action_menu test: {%s}\n", data);
@@ -56,7 +58,13 @@
 
 UiTextLayout *text;
 
+void action_scroll(UiEvent *event, void *data) {
+    ui_drawingarea_redraw(drawingarea);
+}
+
 void draw(UiEvent *event, UiGraphics *g, void *data) {
+    double adjust = range.get(&range);
+    
     ///*
     int width = g->width;
     int height = g->height;
@@ -75,7 +83,7 @@
     //printf("ext[%d,%d]\n", w, h);
     
     ui_graphics_color(g, 255, 255, 255);
-    ui_draw_text(g, 50, 50, text);
+    ui_draw_text(g, 50, 50 + adjust, text);
     ui_draw_line(g, 50, 55 + h, 50+w, 55 +h);
     ui_draw_line(g, 50, 55 + h, 50, 75 +h);
     
@@ -106,6 +114,11 @@
 int main(int argc, char** argv) { 
     ui_init("app1", argc, argv);
     
+    UiList *list = ui_list_new();
+    ui_list_append(list, "Hello");
+    ui_list_append(list, "World");
+    ui_list_append(list, "Test");
+    
     ui_menu("File");
     ui_menuitem("Hello", action_menu, "hello");
     ui_submenu("Submenu1");
@@ -118,40 +131,29 @@
     
     ui_toolitem("button1", "Test", action_button, NULL);
     ui_toolitem("button2", "OK", action_button, NULL);
+    ui_toolbar_combobox_str("combo", list, NULL, NULL);
     ui_toolbar_add_default("button1");
     ui_toolbar_add_default("button2");
+    ui_toolbar_add_default("combo");
     
     UiObject *obj = ui_window("Test", NULL);
     ui_context_closefunc(obj->ctx, window_close, NULL);
     
-/*
-    UIWIDGET w = ui_drawingarea(obj, draw, NULL);
-    ctxmenu = ui_contextmenu_w(obj, w);
+///*
+    ui_hbox(obj);
+    
+    drawingarea = ui_drawingarea(obj, draw, NULL);
+    ctxmenu = ui_contextmenu_w(obj, drawingarea);
     ui_widget_menuitem(obj, "Test1", NULL, NULL);
     ui_widget_menuitem(obj, "Test2", NULL, NULL);
     ui_widget_menuitem(obj, "Test3", NULL, NULL);
     ui_widget_menuitem(obj, "Test4", NULL, NULL);
-    ui_drawingarea_mousehandler(obj, w, click, NULL);
-*/
-    
-///*
-    ui_vbox_sp(obj, 0, 0);
-    
-    UiList *list = ui_list_new();
-    ui_list_append(list, "Hello");
-    ui_list_append(list, "World");
-    ui_list_append(list, "Test");
+    ui_drawingarea_mousehandler(obj, drawingarea, click, NULL);
     
-    ui_button(obj, "Button", NULL, NULL);
-    ui_layout_fill(obj, FALSE);
-    ui_hbox(obj);
-    ui_combobox_str(obj, list, NULL, NULL);
-    ui_end(obj);
-    ui_button(obj, "Button", NULL, NULL);
-    //ui_button(obj, "Button", NULL, NULL);
-    //ui_button(obj, "Button", NULL, NULL);
-    //ui_button(obj, "Button", NULL, NULL);
-    //ui_button(obj, "Button", NULL, NULL);
+    ui_vscrollbar(obj, &range, action_scroll, NULL);
+    range.setrange(&range, 0, 400);
+    range.setextent(&range, 1);
+    range.set(&range, 0);
     
     ui_end(obj);
 //*/
--- a/ui/gtk/graphics.c	Tue Jan 26 20:06:16 2016 +0100
+++ b/ui/gtk/graphics.c	Wed Jan 27 12:10:42 2016 +0100
@@ -83,6 +83,20 @@
     return TRUE;
 }
 
+void ui_drawingarea_getsize(UIWIDGET drawingarea, int *width, int *height) {
+#ifdef UI_GTK3
+        *width = gtk_widget_get_allocated_width(drawingarea);
+        *height = gtk_widget_get_allocated_height(drawingarea);
+#else
+        *width = widget->allocation.width;
+        *height = widget->allocation.height;
+#endif
+}
+
+void ui_drawingarea_redraw(UIWIDGET drawingarea) {
+    gtk_widget_queue_draw(drawingarea);
+}
+
 void ui_drawingarea_mousehandler(UiObject *obj, UIWIDGET widget, ui_callback f, void *u) {
     gtk_widget_set_events(widget, GDK_BUTTON_PRESS_MASK);
     if(f) {
--- a/ui/gtk/objs.mk	Tue Jan 26 20:06:16 2016 +0100
+++ b/ui/gtk/objs.mk	Wed Jan 27 12:10:42 2016 +0100
@@ -42,6 +42,7 @@
 GTKOBJ += tree.o
 GTKOBJ += image.o
 GTKOBJ += graphics.o
+GTKOBJ += range.o
 
 TOOLKITOBJS += $(GTKOBJ:%=$(GTK_OBJPRE)%)
 TOOLKITSOURCE += $(GTKOBJ:%.o=gtk/%.c)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/gtk/range.c	Wed Jan 27 12:10:42 2016 +0100
@@ -0,0 +1,129 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2016 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 "range.h"
+#include "container.h"
+#include "../../ucx/mempool.h"
+#include "../common/context.h"
+#include "../common/object.h"
+
+
+static UIWIDGET ui_scrollbar(UiObject *obj, UiOrientation orientation, UiRange *range, ui_callback f, void *userdata) {
+#ifdef UI_GTK3
+    GtkWidget *scrollbar = gtk_scrollbar_new(orientation == UI_HORIZONTAL ? GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL, NULL);
+#else
+    GtkWidget *scrollbar;
+    if(orientation == UI_HORIZONTAL) {
+        scrollbar = gtk_hscrollbar_new(NULL);
+    } else {
+        scrollbar = gtk_hscrollbar_new(NULL);
+    }
+#endif
+    
+    if(range) {
+        range->get = ui_scrollbar_get;
+        range->set = ui_scrollbar_set;
+        range->setrange = ui_scrollbar_setrange;
+        range->setextent = ui_scrollbar_setextent;
+        range->obj = scrollbar;
+    }
+    
+    if(f) {
+        UiEventData *event = malloc(sizeof(UiEventData));
+        event->obj = obj;
+        event->userdata = userdata;
+        event->callback = f;
+        event->value = 0;
+        
+        g_signal_connect(
+                G_OBJECT(scrollbar),
+                "value-changed",
+                G_CALLBACK(ui_scrollbar_value_changed),
+                event);
+        g_signal_connect(
+                scrollbar,
+                "destroy",
+                G_CALLBACK(ui_destroy_userdata),
+                event);
+    }
+    
+    UiContainer *ct = uic_get_current_container(obj);
+    ct->add(ct, scrollbar, FALSE);
+    
+    return scrollbar;
+}
+
+UIWIDGET ui_hscrollbar(UiObject *obj, UiRange *range, ui_callback f, void *userdata) {
+    return ui_scrollbar(obj, UI_HORIZONTAL, range, f, userdata);
+}
+
+UIWIDGET ui_vscrollbar(UiObject *obj, UiRange *range, ui_callback f, void *userdata) {
+    return ui_scrollbar(obj, UI_VERTICAL, range, f, userdata);
+}
+
+gboolean ui_scrollbar_value_changed(GtkRange *range, 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); 
+    return TRUE;
+}
+
+double ui_scrollbar_get(UiRange *range) {
+    double value = gtk_range_get_value(GTK_RANGE(range->obj));
+    range->value = value;
+    return value;
+}
+
+void   ui_scrollbar_set(UiRange *range, double value) {
+    gtk_range_set_value(GTK_RANGE(range->obj), value);
+    range->value = value;
+}
+
+void   ui_scrollbar_setrange(UiRange *range, double min, double max) {
+    gtk_range_set_range(GTK_RANGE(range->obj), min, max);
+    range->min = min;
+    range->max = max;
+}
+
+void   ui_scrollbar_setextent(UiRange *range, double extent) {
+    GtkAdjustment *a = gtk_range_get_adjustment(GTK_RANGE(range->obj));
+#ifdef ui_GTK2LEGACY
+    a->page_size = extent;
+#else
+    gtk_adjustment_set_page_size(a, extent);
+#endif
+    gtk_adjustment_changed(a);
+    range->extent = extent;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/gtk/range.h	Wed Jan 27 12:10:42 2016 +0100
@@ -0,0 +1,50 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2016 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.
+ */
+#ifndef RANGE_H
+#define RANGE_H
+
+#include "toolkit.h"
+#include "../ui/range.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+gboolean ui_scrollbar_value_changed(GtkRange *range, UiEventData *event);
+    
+double ui_scrollbar_get(UiRange *range);
+void   ui_scrollbar_set(UiRange *range, double value);
+void   ui_scrollbar_setrange(UiRange *range, double min, double max);
+void   ui_scrollbar_setextent(UiRange *range, double extent);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RANGE_H */
+
--- a/ui/gtk/toolkit.h	Tue Jan 26 20:06:16 2016 +0100
+++ b/ui/gtk/toolkit.h	Wed Jan 27 12:10:42 2016 +0100
@@ -52,6 +52,9 @@
     void          *finish_data;
 } UiJob;
 
+typedef enum UiOrientation UiOrientation;
+enum UiOrientation { UI_HORIZONTAL = 0, UI_VERTICAL };
+
 void ui_destroy_userdata(GtkWidget *object, void *userdata);
 
 void ui_set_active_window(UiObject *obj);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/ui/range.h	Wed Jan 27 12:10:42 2016 +0100
@@ -0,0 +1,48 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2016 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.
+ */
+
+#ifndef UI_RANGE_H
+#define UI_RANGE_H
+
+#include "toolkit.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+UIWIDGET ui_hscrollbar(UiObject *obj, UiRange *range, ui_callback f, void *userdata);
+UIWIDGET ui_vscrollbar(UiObject *obj, UiRange *range, ui_callback f, void *userdata);
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* UI_RANGE_H */
+
--- a/ui/ui/toolkit.h	Tue Jan 26 20:06:16 2016 +0100
+++ b/ui/ui/toolkit.h	Wed Jan 27 12:10:42 2016 +0100
@@ -93,6 +93,7 @@
 typedef struct UiString     UiString;
 typedef struct UiText       UiText;
 typedef struct UiList       UiList;
+typedef struct UiRange      UiRange;
 
 /* private types */
 typedef struct UiContext    UiContext;
@@ -235,6 +236,18 @@
     
 };
 
+struct UiRange {
+    double (*get)(UiRange *range);
+    void   (*set)(UiRange *range, double value);
+    void   (*setrange)(UiRange *range, double min, double max);
+    void   (*setextent)(UiRange *range, double extent);
+    double value;
+    double min;
+    double max;
+    double extent;
+    void   *obj;
+};
+
 
 void ui_init(char *appname, int argc, char **argv);
 char* ui_appname();
--- a/ui/ui/ui.h	Tue Jan 26 20:06:16 2016 +0100
+++ b/ui/ui/ui.h	Wed Jan 27 12:10:42 2016 +0100
@@ -39,6 +39,7 @@
 #include "properties.h"
 #include "tree.h"
 #include "graphics.h"
+#include "range.h"
 
 #endif	/* UI_H */
 

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