implement area scroll by PgUp and PgDn.

git-svn-id: http://svn.sourceforge.jp/svnroot/bchan/bchanl/trunk@69 20a0b8eb-f62a-4a12-8fe1-b598822500fb

diff --git a/src/main.c b/src/main.c
index 2d7cdaf..b014236 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1122,10 +1122,44 @@ LOCAL VOID bchanl_subjectwindow_keydwn(bchanl_subjectwindow_t *window, UH keycod
                commonwindow_scrollbyvalue(window->window, scr, 0);
                break;
        case KC_PG_U:
+               sbjtdraw_getviewrect(window->draw, &l, &t, &r, &b);
+               if (t < (b - t)) {
+                       scr = -t;
+               } else {
+                       scr = - (b - t);
+               }
+               commonwindow_scrollbyvalue(window->window, 0, scr);
+               break;
        case KC_PG_D:
+               sbjtdraw_getviewrect(window->draw, &l, &t, &r, &b);
+               layout = bchanl_subject_getlayout(window->sbjt);
+               sbjtlayout_getdrawrect(layout, &l1, &t1, &r1, &b1);
+               if (b + (b - t) > b1) {
+                       scr = b1 - b;
+               } else {
+                       scr = (b - t);
+               }
+               commonwindow_scrollbyvalue(window->window, 0, scr);
+               break;
        case KC_PG_R:
+               sbjtdraw_getviewrect(window->draw, &l, &t, &r, &b);
+               layout = bchanl_subject_getlayout(window->sbjt);
+               sbjtlayout_getdrawrect(layout, &l1, &t1, &r1, &b1);
+               if (r + (r - l) > r1) {
+                       scr = r1 - r;
+               } else {
+                       scr = (r - l);
+               }
+               commonwindow_scrollbyvalue(window->window, scr, 0);
+               break;
        case KC_PG_L:
-               /* area scroll */
+               sbjtdraw_getviewrect(window->draw, &l, &t, &r, &b);
+               if (l < (r - l)) {
+                       scr = -l;
+               } else {
+                       scr = - (r - l);
+               }
+               commonwindow_scrollbyvalue(window->window, scr, 0);
                break;
        }
 }
@@ -1156,11 +1190,28 @@ LOCAL VOID bchanl_bbsmenuwindow_keydwn(bchanl_bbsmenuwindow_t *window, UH keycod
                break;
        case KC_CC_R:
        case KC_CC_L:
+               break;
        case KC_PG_U:
+               bbsmndraw_getviewrect(window->draw, &l, &t, &r, &b);
+               if (t < (b - t)) {
+                       scr = -t;
+               } else {
+                       scr = - (b - t);
+               }
+               commonwindow_scrollbyvalue(window->window, 0, scr);
+               break;
        case KC_PG_D:
+               bbsmndraw_getviewrect(window->draw, &l, &t, &r, &b);
+               bbsmnlayout_getdrawrect(window->owner->bbsmenu.layout, &l1, &t1, &r1, &b1);
+               if (b + (b - t) > b1) {
+                       scr = b1 - b;
+               } else {
+                       scr = (b - t);
+               }
+               commonwindow_scrollbyvalue(window->window, 0, scr);
+               break;
        case KC_PG_R:
        case KC_PG_L:
-               /* area scroll */
                break;
        case KC_PF5:
                bchanl_networkrequest_bbsmenu(window->owner);