diff options
Diffstat (limited to 'ag_render.f90')
| -rw-r--r-- | ag_render.f90 | 91 |
1 files changed, 70 insertions, 21 deletions
diff --git a/ag_render.f90 b/ag_render.f90 index e964df3..b91a416 100644 --- a/ag_render.f90 +++ b/ag_render.f90 @@ -34,6 +34,7 @@ implicit none integer, volatile::ag_render_event integer, volatile::scroll_position + integer, volatile::wheel_movement integer, parameter::ag_render_event_none = 0 integer, parameter::ag_render_event_closed = 1 @@ -85,6 +86,9 @@ implicit none ! Needed to compute document height integer::initial_y + + ! Page height + integer::page_height ! An error has occurred, so render blank logical::render_blank @@ -135,6 +139,9 @@ implicit none procedure :: report_unsupported_protocol => ag_report_unsupported_protocol procedure :: set_favicon => ag_set_favicon + + procedure :: rendering_height_available => ag_rendering_height_available + procedure :: scroll_max_value => ag_scroll_max_value end type appgraphics_renderer @@ -214,13 +221,7 @@ contains integer::x, y - scroll_position = scroll_position - (x/35) - if(scroll_position < 0) then - scroll_position = 0 - else if(scroll_position > 100) then - scroll_position = 100 - end if - + wheel_movement = wheel_movement + x ag_render_event = ag_render_event_wheel call stopidle() @@ -231,6 +232,7 @@ contains implicit none integer::x + scroll_position = x ag_render_event = ag_render_event_scroll call stopidle() @@ -320,14 +322,16 @@ contains call setfillstyle(SOLID_FILL, LIGHTGRAY) call setbkcolor(LIGHTGRAY) call setcolor(BLACK) - call settextstyle(SYMBOLS_FONT, HORIZ_DIR, scaledpi(14)) + call settextstyle(SANS_SERIF_FONT, HORIZ_DIR, scaledpi(18)) end do call setactivepage(active_page) ! Draw the buttons first x = 5 if(self%back_button_id < 0) then - self%back_button_id = createbutton(x, 2, scaledpi(40), scaledpi(20), CHAR(231), back_button_callback) + self%back_button_id = createbutton(x, 2, scaledpi(40), scaledpi(20), & + ACHAR(240)//ACHAR(159)//ACHAR(161)//ACHAR(184), & + back_button_callback) else call setbuttonposition(self%back_button_id, x, 2, scaledpi(40), scaledpi(20)) end if @@ -349,30 +353,36 @@ contains ! Clears any drawing operations for controls quickly ignored = switch_to_thread() - call settextstyle(SYMBOLS_FONT, HORIZ_DIR, 14) + call settextstyle(SANS_SERIF_FONT, HORIZ_DIR, scaledpi(18)) x = x + 10 + address_width if(self%go_button_id < 0) then - self%go_button_id = createbutton(x, 2, scaledpi(40), scaledpi(20), CHAR(232), go_button_callback) + self%go_button_id = createbutton(x, 2, scaledpi(40), scaledpi(20), & + ACHAR(240)//ACHAR(159)//ACHAR(161)//ACHAR(186), & + go_button_callback) else call setbuttonposition(self%go_button_id, x, 2, scaledpi(40), scaledpi(20)) end if - call settextstyle(SYMBOLS_FONT, HORIZ_DIR, scaledpi(18)) + call settextstyle(SANS_SERIF_FONT, HORIZ_DIR, scaledpi(20)) ! If we're not expanding, just draw these buttons in order if(.not. myexpand) then x = getmaxx() - scaledpi(95) if(self%fave_button_id < 0) then - self%fave_button_id = createbutton(x, 2, scaledpi(40), scaledpi(20), CHAR(171), fave_button_callback) + self%fave_button_id = createbutton(x, 2, scaledpi(40), scaledpi(20), & + ACHAR(226)//ACHAR(152)//ACHAR(133), & + fave_button_callback) else call setbuttonposition(self%fave_button_id, x, 2, scaledpi(40), scaledpi(20)) end if x = x + scaledpi(50) if(self%internal_button_id < 0) then - self%internal_button_id = createbutton(x, 2, scaledpi(40), scaledpi(20), CHAR(62), internal_button_callback) + self%internal_button_id = createbutton(x, 2, scaledpi(40), scaledpi(20), & + ACHAR(226)//ACHAR(156)//ACHAR(135), & + internal_button_callback) else call setbuttonposition(self%internal_button_id, x, 2, scaledpi(40), scaledpi(20)) end if @@ -584,14 +594,44 @@ contains end subroutine ag_prepare_for_layout + function ag_rendering_height_available(self) + use appgraphics, only: getmaxy + implicit none + + class(appgraphics_renderer), intent(in)::self + integer::ag_rendering_height_available + + ag_rendering_height_available = getmaxy() - self%status_bar_height - & + self%address_bar_height - 1 + + end function ag_rendering_height_available + + function ag_scroll_max_value(self) + implicit none + + class(appgraphics_renderer), intent(in)::self + integer::ag_scroll_max_value + + ag_scroll_max_value = max(0, self%page_height - self%rendering_height_available()) + + end function ag_scroll_max_value + subroutine ag_layout_complete(self) use appgraphics, only: swapbuffers implicit none class(appgraphics_renderer)::self + integer::nPages call swapbuffers() + if(self%page_height == 0) then + self%page_height = self%y + self%initial_y + nPages = self%rendering_height_available() + call setscrollrange(self%scroll_id, 0, self%scroll_max_value()+nPages) + call setscrollpagesize(self%scroll_id, nPages) + end if + end subroutine ag_layout_complete subroutine ag_new_page(self) @@ -601,11 +641,13 @@ contains self%y = 0 scroll_position = 0 + wheel_movement = 0 call setscrollposition(self%scroll_id, 0) ag_render_event = ag_render_event_none self%title_guessed = .false. + self%page_height = 0 end subroutine ag_new_page @@ -925,9 +967,6 @@ contains logical::expanding_horizontally - ! For scrolling - integer::doclength - ! Resize can be laggy, so ensure it actually was finalized if(self%max_width /= compute_max_width(self)) then ag_render_event = ag_render_event_resize @@ -970,15 +1009,25 @@ contains call clearmouseclick(MOUSE_MOVE) case(ag_render_event_wheel) + scroll_position = scroll_position - & + (wheel_movement/120)* & + self%text_height("Scrolled Example", proportional_type_normal) + + ! Limit + scroll_position = max(0, scroll_position) + scroll_position = min(self%scroll_max_value(), & + scroll_position) + call setscrollposition(self%scroll_id, scroll_position) - doclength = self%y - self%initial_y - self%y = (doclength * scroll_position) / (-100) + self%y = -1*scroll_position ag_action = render_action_layout + + wheel_movement = 0 case(ag_render_event_scroll) - doclength = self%y - self%initial_y - self%y = (doclength * scroll_position) / (-100) + + self%y = -1*scroll_position ag_action = render_action_layout case(ag_render_event_resize) |