410 lines
10 KiB
C
410 lines
10 KiB
C
#include "scrollbar.h"
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#include "config.h"
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static void e_scrollbar_recalc(E_Scrollbar *sb);
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static void e_scrollbar_setup_bits(E_Scrollbar *sb);
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static void e_sb_base_down_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh);
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static void e_sb_base_up_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh);
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static void e_sb_bar_down_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh);
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static void e_sb_bar_up_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh);
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static void e_sb_bar_move_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh);
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static void
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e_scrollbar_recalc(E_Scrollbar *sb)
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{
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if (sb->base)
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{
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double x, y, w, h;
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ebits_get_named_bit_geometry(sb->base, "Trough_Area",
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&x, &y, &w, &h);
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sb->bar_area.x = x + sb->x;
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sb->bar_area.y = y + sb->y;
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sb->bar_area.w = w;
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sb->bar_area.h = h;
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if (sb->direction)
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{
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sb->bar_pos.w = sb->bar_area.w;
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sb->bar_pos.h = (sb->bar_area.h * sb->range) / sb->max;
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sb->bar_pos.x = sb->bar_area.x;
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sb->bar_pos.y = sb->bar_area.y +
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((sb->bar_area.h * sb->val) / (sb->max - 1));
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}
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else
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{
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sb->bar_pos.w = (sb->bar_area.w * sb->range) / sb->max;
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sb->bar_pos.h = sb->bar_area.h;
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sb->bar_pos.x = sb->bar_area.x +
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((sb->bar_area.w * sb->val) / (sb->max - 1));
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sb->bar_pos.y = sb->bar_area.y;
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}
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}
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else
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{
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sb->bar_area.x = sb->x;
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sb->bar_area.y = sb->y;
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sb->bar_area.w = sb->w;
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sb->bar_area.h = sb->h;
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sb->bar_pos.x = sb->bar_area.x;
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sb->bar_pos.y = sb->bar_area.y;
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sb->bar_pos.w = sb->bar_area.w;
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sb->bar_pos.h = sb->bar_area.h;
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}
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UN(sb);
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}
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static void
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e_scrollbar_setup_bits(E_Scrollbar *sb)
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{
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char buf[PATH_MAX];
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if (sb->direction == 1)
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{
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sprintf(buf, "%s/scroll_base_v.bits.db", e_config_get("scrollbars"));
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sb->base = ebits_load(buf);
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sprintf(buf, "%s/scroll_bar_v.bits.db", e_config_get("scrollbars"));
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sb->bar = ebits_load(buf);
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}
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else
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{
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sprintf(buf, "%s/scroll_base_h.bits.db", e_config_get("scrollbars"));
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sb->base = ebits_load(buf);
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sprintf(buf, "%s/scroll_bar_h.bits.db", e_config_get("scrollbars"));
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sb->bar = ebits_load(buf);
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}
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if (sb->base)
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{
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ebits_add_to_evas(sb->base, sb->evas);
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ebits_set_classed_bit_callback(sb->base, "Scrollbar_Trough", CALLBACK_MOUSE_DOWN, e_sb_base_down_cb, sb);
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ebits_set_classed_bit_callback(sb->base, "Scrollbar_Trough", CALLBACK_MOUSE_UP, e_sb_base_up_cb, sb);
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ebits_set_classed_bit_callback(sb->base, "Scrollbar_Arrow1", CALLBACK_MOUSE_DOWN, e_sb_base_down_cb, sb);
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ebits_set_classed_bit_callback(sb->base, "Scrollbar_Arrow1", CALLBACK_MOUSE_UP, e_sb_base_up_cb, sb);
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ebits_set_classed_bit_callback(sb->base, "Scrollbar_Arrow2", CALLBACK_MOUSE_DOWN, e_sb_base_down_cb, sb);
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ebits_set_classed_bit_callback(sb->base, "Scrollbar_Arrow2", CALLBACK_MOUSE_UP, e_sb_base_up_cb, sb);
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}
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if (sb->bar)
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{
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ebits_add_to_evas(sb->bar, sb->evas);
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ebits_set_classed_bit_callback(sb->bar, "Scrollbar_Bar", CALLBACK_MOUSE_DOWN, e_sb_bar_down_cb, sb);
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ebits_set_classed_bit_callback(sb->bar, "Scrollbar_Bar", CALLBACK_MOUSE_UP, e_sb_bar_up_cb, sb);
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ebits_set_classed_bit_callback(sb->bar, "Scrollbar_Bar", CALLBACK_MOUSE_MOVE, e_sb_bar_move_cb, sb);
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}
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}
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static void
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e_sb_base_down_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh)
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{
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E_Scrollbar *sb;
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double prev;
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sb = data;
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if (sb->mouse_down) return;
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sb->mouse_down = bt;
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if (!class) return;
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prev = sb->val;
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if (!strcmp(class, "Scrollbar_Arrow1"))
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{
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sb->val -= 16;
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if (sb->val < 0) sb->val = 0;
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}
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else if (!strcmp(class, "Scrollbar_Arrow2"))
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{
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sb->val += 16;
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if ((sb->val + sb->range) > sb->max) sb->val = sb->max - sb->range;
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}
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else if (!strcmp(class, "Scrollbar_Trough"))
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{
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}
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e_scrollbar_recalc(sb);
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if (sb->bar) ebits_move(sb->bar, sb->bar_pos.x, sb->bar_pos.y);
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if (sb->bar) ebits_resize(sb->bar, sb->bar_pos.w, sb->bar_pos.h);
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if (prev != sb->val)
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{
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if (sb->func_change) sb->func_change(sb->func_data, sb, sb->val);
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}
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}
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static void
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e_sb_base_up_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh)
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{
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E_Scrollbar *sb;
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sb = data;
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if (bt == sb->mouse_down) sb->mouse_down = 0;
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else return;
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if (!class) return;
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if (!strcmp(class, "Scrollbar_Arrow1"))
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{
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}
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else if (!strcmp(class, "Scrollbar_Arrow2"))
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{
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}
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else if (!strcmp(class, "Scrollbar_Trough"))
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{
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}
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}
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static void
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e_sb_bar_down_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh)
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{
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E_Scrollbar *sb;
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sb = data;
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if (sb->mouse_down) return;
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sb->mouse_down = bt;
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sb->down_x = x;
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sb->down_y = y;
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sb->mouse_x = x;
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sb->mouse_y = y;
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}
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static void
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e_sb_bar_up_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh)
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{
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E_Scrollbar *sb;
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sb = data;
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if (bt == sb->mouse_down) sb->mouse_down = 0;
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else return;
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}
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static void
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e_sb_bar_move_cb(void *data, Ebits_Object o, char *class, int bt, int x, int y, int ox, int oy, int ow, int oh)
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{
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E_Scrollbar *sb;
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int dx, dy;
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double prev;
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sb = data;
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if (!sb->mouse_down) return;
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dx = x - sb->mouse_x;
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dy = y - sb->mouse_y;
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sb->mouse_x = x;
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sb->mouse_y = y;
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prev = sb->val;
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if (sb->direction)
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{
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if (sb->bar_area.h > sb->bar_pos.h) sb->val +=
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((double)dy * sb->max) / sb->bar_area.h;
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else sb->val = 0;
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}
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else
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{
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if (sb->bar_area.w > sb->bar_pos.w) sb->val +=
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((double)dx * sb->max) / sb->bar_area.w;
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else sb->val = 0;
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}
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if (sb->val < 0) sb->val = 0;
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if ((sb->val + sb->range) > sb->max) sb->val = sb->max - sb->range;
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if (prev != sb->val)
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{
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e_scrollbar_recalc(sb);
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if (sb->bar) ebits_move(sb->bar, sb->bar_pos.x, sb->bar_pos.y);
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if (sb->bar) ebits_resize(sb->bar, sb->bar_pos.w, sb->bar_pos.h);
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if (sb->func_change) sb->func_change(sb->func_data, sb, sb->val);
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}
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}
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E_Scrollbar *
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e_scrollbar_new(void)
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{
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E_Scrollbar *sb;
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sb = NEW(E_Scrollbar, 1);
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ZERO(sb, E_Scrollbar, 1);
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sb->range = 1.0;
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sb->max = 1.0;
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sb->w = 12;
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sb->h = 64;
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return sb;
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}
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void
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e_scrollbar_free(E_Scrollbar *sb)
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{
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if (sb->evas)
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{
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if (sb->base) ebits_free(sb->base);
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if (sb->bar) ebits_free(sb->bar);
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}
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FREE(sb);
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}
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void
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e_scrollbar_add_to_evas(E_Scrollbar *sb, Evas evas)
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{
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if (sb->evas)
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{
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if (sb->base) ebits_free(sb->base);
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if (sb->bar) ebits_free(sb->bar);
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}
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sb->evas = evas;
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if (sb->evas)
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{
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e_scrollbar_setup_bits(sb);
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if (sb->base) ebits_set_layer(sb->base, sb->layer);
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if (sb->bar) ebits_set_layer(sb->bar, sb->layer);
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if (sb->base) ebits_move(sb->base, sb->x, sb->y);
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if (sb->base) ebits_resize(sb->base, sb->w, sb->h);
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e_scrollbar_recalc(sb);
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if (sb->bar) ebits_move(sb->bar, sb->bar_pos.x, sb->bar_pos.y);
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if (sb->bar) ebits_resize(sb->bar, sb->bar_pos.w, sb->bar_pos.h);
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if (sb->visible)
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{
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if (sb->base) ebits_show(sb->base);
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if (sb->bar) ebits_show(sb->bar);
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}
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}
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}
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void
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e_scrollbar_show(E_Scrollbar *sb)
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{
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if (sb->visible) return;
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sb->visible = 1;
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if (sb->base) ebits_show(sb->base);
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if (sb->bar) ebits_show(sb->bar);
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}
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void
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e_scrollbar_hide(E_Scrollbar *sb)
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{
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if (!sb->visible) return;
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sb->visible = 0;
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if (sb->base) ebits_hide(sb->base);
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if (sb->bar) ebits_hide(sb->bar);
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}
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void
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e_scrollbar_raise(E_Scrollbar *sb)
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{
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if (sb->base) ebits_raise(sb->base);
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if (sb->bar) ebits_raise(sb->bar);
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}
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void
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e_scrollbar_lower(E_Scrollbar *sb)
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{
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if (sb->bar) ebits_lower(sb->bar);
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if (sb->base) ebits_lower(sb->base);
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}
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void
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e_scrollbar_set_layer(E_Scrollbar *sb, int l)
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{
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if (l == sb->layer) return;
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sb->layer = l;
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if (sb->base) ebits_set_layer(sb->base, sb->layer);
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if (sb->bar) ebits_set_layer(sb->bar, sb->layer);
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}
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void
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e_scrollbar_set_direction(E_Scrollbar *sb, int d)
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{
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if (d == sb->direction) return;
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sb->direction = d;
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if (sb->evas)
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{
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Evas evas;
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if (sb->base) ebits_free(sb->base);
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if (sb->bar) ebits_free(sb->bar);
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evas = sb->evas;
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sb->evas = NULL;
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e_scrollbar_add_to_evas(sb, evas);
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}
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}
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void
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e_scrollbar_move(E_Scrollbar *sb, double x, double y)
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{
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if ((x == sb->x) && (y == sb->y)) return;
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sb->x = x;
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sb->y = y;
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if (sb->base) ebits_move(sb->base, sb->x, sb->y);
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e_scrollbar_recalc(sb);
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if (sb->bar) ebits_move(sb->bar, sb->bar_pos.x, sb->bar_pos.y);
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}
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void
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e_scrollbar_resize(E_Scrollbar *sb, double w, double h)
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{
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if ((w == sb->w) && (h == sb->h)) return;
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sb->w = w;
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sb->h = h;
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if (sb->base) ebits_resize(sb->base, sb->w, sb->h);
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e_scrollbar_recalc(sb);
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if (sb->bar) ebits_move(sb->bar, sb->bar_pos.x, sb->bar_pos.y);
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if (sb->bar) ebits_resize(sb->bar, sb->bar_pos.w, sb->bar_pos.h);
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}
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void
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e_scrollbar_set_change_func(E_Scrollbar *sb,
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void (*func_change) (void *_data, E_Scrollbar *sb, double val),
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void *data)
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{
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sb->func_change = func_change;
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sb->func_data = data;
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}
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void
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e_scrollbar_set_value(E_Scrollbar *sb, double val)
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{
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if (sb->val == val) return;
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if (val > sb->max - sb->range) val = sb->max - sb->range;
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if (val < 0 ) val = 0;
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sb->val = val;
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e_scrollbar_recalc(sb);
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if (sb->bar) ebits_move(sb->bar, sb->bar_pos.x, sb->bar_pos.y);
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if (sb->bar) ebits_resize(sb->bar, sb->bar_pos.w, sb->bar_pos.h);
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if (sb->func_change) sb->func_change(sb->func_data, sb, sb->val);
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}
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void
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e_scrollbar_set_range(E_Scrollbar *sb, double range)
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{
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if (sb->range == range) return;
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sb->range = range;
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e_scrollbar_recalc(sb);
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if (sb->bar) ebits_move(sb->bar, sb->bar_pos.x, sb->bar_pos.y);
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if (sb->bar) ebits_resize(sb->bar, sb->bar_pos.w, sb->bar_pos.h);
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}
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void
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e_scrollbar_set_max(E_Scrollbar *sb, double max)
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{
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if (sb->max == max) return;
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sb->max = max;
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e_scrollbar_recalc(sb);
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if (sb->bar) ebits_move(sb->bar, sb->bar_pos.x, sb->bar_pos.y);
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if (sb->bar) ebits_resize(sb->bar, sb->bar_pos.w, sb->bar_pos.h);
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}
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double
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e_scrollbar_get_value(E_Scrollbar *sb)
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{
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return sb->val;
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}
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double
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e_scrollbar_get_range(E_Scrollbar *sb)
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{
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return sb->range;
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}
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double
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e_scrollbar_get_max(E_Scrollbar *sb)
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{
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return sb->max;
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}
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void
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e_scrollbar_get_geometry(E_Scrollbar *sb, double *x, double *y, double *w, double *h)
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{
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if (x) *x = sb->x;
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if (y) *y = sb->y;
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if (w) *w = sb->w;
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if (h) *h = sb->h;
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}
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