143 lines
4.9 KiB
C
143 lines
4.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "list.h"
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//列表滑动、选中控制/*{{{*/
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static int press_y,previous_y,current_y; //滑动控制变量
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gboolean deal_press_event(GtkWidget *widget,GdkEventButton *event,gpointer data) //按下
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{
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GdkColor color;
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LIST *list=(LIST *)data;
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if(GDK_2BUTTON_PRESS == event->type) //双击选中
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{
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gdk_color_parse(NORMAL_COLOR, &color);
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gtk_widget_modify_fg(list->label[list->tab_select], GTK_STATE_NORMAL, &color);
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list->tab_select=(int)(event->y-current_y)/(list->tab_height);
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gdk_color_parse(HIGH_COLOR, &color);
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gtk_widget_modify_fg(list->label[list->tab_select], GTK_STATE_NORMAL, &color);
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list_select_back(list); //双击事件回调，由外部实现
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}
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press_y=event->y;
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previous_y=current_y;
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return TRUE;
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}
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gboolean deal_motion_event(GtkWidget *widget,GdkEventMotion *event,gpointer data) //拖动
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{
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LIST *list=(LIST *)data;
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current_y=previous_y+event->y-press_y;
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gtk_fixed_move(GTK_FIXED(list->fixed_bottom),list->fixed_top,0,current_y);
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return TRUE;
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}
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gboolean deal_release_event(GtkWidget *widget,GdkEventButton *event,gpointer data) //释放
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{
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LIST *list=(LIST *)data;
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if((list->tab_show*list->tab_height >= (list->total)*(list->tab_height)) || (current_y >=0))
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current_y=0;
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else if(list->tab_show*list->tab_height > current_y+(list->total)*(list->tab_height))
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current_y=list->tab_show*list->tab_height-(list->total)*(list->tab_height);
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else;
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gtk_fixed_move(GTK_FIXED(list->fixed_bottom),list->fixed_top,0,current_y);
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return TRUE;
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}/*}}}*/
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LIST *cgtk_list_new(char **name,int width,int height,int show,gpointer data) //创建列表/*{{{*/
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{
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int i;
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GdkColor color;
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LIST *list=(LIST *)calloc(1,sizeof(LIST)); //分配列表空间
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list->label=(GtkWidget **)calloc(0,sizeof(GtkWidget *)); //分配列表行空间，初始为0
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list->tab_show=show;
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list->tab_width=width;
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list->tab_height=height;
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list->out=data;
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list->event_box=gtk_event_box_new();
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gtk_widget_set_size_request(list->fixed_bottom,width,show*height);
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list->fixed_bottom=gtk_fixed_new();
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gtk_widget_set_size_request(list->fixed_bottom,width,show*height);
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list->fixed_top=gtk_fixed_new();
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//gtk_widget_set_size_request(list->fixed_bottom,width,show*height);
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gtk_container_add(GTK_CONTAINER(list->event_box),list->fixed_bottom);
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gtk_fixed_put(GTK_FIXED(list->fixed_bottom),list->fixed_top,0,0);
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g_signal_connect(GTK_OBJECT(list->event_box), "button_press_event", G_CALLBACK(deal_press_event),list);
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g_signal_connect(GTK_OBJECT(list->event_box), "motion_notify_event", G_CALLBACK(deal_motion_event),list);
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g_signal_connect(GTK_OBJECT(list->event_box), "button_release_event", G_CALLBACK(deal_release_event),list);
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gdk_color_parse(NORMAL_COLOR, &color);
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for(i=0;NULL != name[i];i++)
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{
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if(NULL == (list->label=realloc(list->label,(++(list->total))*sizeof(GtkWidget *))))
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{
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printf("\n>>>Can not get more memory space!!!<<<\n");
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return NULL;
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}
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list->label[i]=gtk_label_new(name[i]);
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gtk_widget_modify_fg(list->label[i], GTK_STATE_NORMAL, &color);
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gtk_widget_set_size_request(list->label[i],width,height);
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gtk_fixed_put(GTK_FIXED(list->fixed_top),list->label[i],0,height*i);
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}
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return list;
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}/*}}}*/
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int cgtk_list_refresh(LIST *list,char **name) //刷新列表/*{{{*/
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{
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int i;
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GdkColor color;
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for(i=0;i<list->total;i++)
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gtk_widget_destroy(list->label[i]);
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list->total=0;
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free(list->label);
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list->label=(GtkWidget **)calloc(0,sizeof(GtkWidget *)); //分配列表行空间，初始为0
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gdk_color_parse(NORMAL_COLOR, &color);
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for(i=0;NULL != name[i];i++)
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{
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if(NULL == (list->label=realloc(list->label,(++(list->total))*sizeof(GtkWidget *))))
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{
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printf("\n>>>Can not get more memory space!!!<<<\n");
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return -2;
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}
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list->label[i]=gtk_label_new(name[i]);
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gtk_widget_modify_fg(list->label[i], GTK_STATE_NORMAL, &color);
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gtk_widget_set_size_request(list->label[i],list->tab_width,list->tab_height);
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gtk_fixed_put(GTK_FIXED(list->fixed_top),list->label[i],0,list->tab_height*i);
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gtk_widget_show(list->label[i]);
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}
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return 0;
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}/*}}}*/
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int cgtk_list_set_select_num(LIST *list,int row_num) //修改选中行行号/*{{{*/
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{
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if(0>row_num || list->total<=row_num)
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{
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printf("\n>>>Set Wrong row_num !!! <<<\n");
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return -1;
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}
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GdkColor color;
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gdk_color_parse(NORMAL_COLOR, &color);
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gtk_widget_modify_fg(list->label[list->tab_select], GTK_STATE_NORMAL, &color);
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list->tab_select=row_num;
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gdk_color_parse(HIGH_COLOR, &color);
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gtk_widget_modify_fg(list->label[list->tab_select], GTK_STATE_NORMAL, &color);
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return 0;
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}/*}}}*/
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int cgtk_list_get_select_num(LIST *list) //获取选中行行号/*{{{*/
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{
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return list->tab_select;
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}/*}}}*/
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char *cgtk_list_get_select_text(LIST *list) //获取选中行文本/*{{{*/
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{
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char *text=(char *)gtk_label_get_text(GTK_LABEL(list->label[list->tab_select]));
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return text;
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}/*}}}*/
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void cgtk_list_destroy(LIST *list) //释放列表占用的空间/*{{{*/
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{
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free(list->label);
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free(list);
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}/*}}}*/
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